diff --git a/test/built-ins/Object/S15.2.1.1_A1_T1.js b/test/built-ins/Object/S15.2.1.1_A1_T1.js
index ed1059c682..1964b17703 100644
--- a/test/built-ins/Object/S15.2.1.1_A1_T1.js
+++ b/test/built-ins/Object/S15.2.1.1_A1_T1.js
@@ -14,21 +14,21 @@ var __obj = Object(null);
 var n__obj = new Object(null);
 
 if (__obj.toString() !== n__obj.toString()) {
-  $ERROR('#1');
+  throw new Test262Error('#1');
 }
 
 if (__obj.constructor !== n__obj.constructor) {
-  $ERROR('#2');
+  throw new Test262Error('#2');
 }
 
 if (__obj.prototype !== n__obj.prototype) {
-  $ERROR('#3');
+  throw new Test262Error('#3');
 }
 
 if (__obj.toLocaleString() !== n__obj.toLocaleString()) {
-  $ERROR('#4');
+  throw new Test262Error('#4');
 }
 
 if (typeof __obj !== typeof n__obj) {
-  $ERROR('#5');
+  throw new Test262Error('#5');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A1_T2.js b/test/built-ins/Object/S15.2.1.1_A1_T2.js
index d49d7c709f..9ce97bed60 100644
--- a/test/built-ins/Object/S15.2.1.1_A1_T2.js
+++ b/test/built-ins/Object/S15.2.1.1_A1_T2.js
@@ -17,21 +17,21 @@ var n__obj = new Object(void 0);
 
 
 if (__obj.toString() !== n__obj.toString()) {
-  $ERROR('#1');
+  throw new Test262Error('#1');
 }
 
 if (__obj.constructor !== n__obj.constructor) {
-  $ERROR('#2');
+  throw new Test262Error('#2');
 }
 
 if (__obj.prototype !== n__obj.prototype) {
-  $ERROR('#3');
+  throw new Test262Error('#3');
 }
 
 if (__obj.toLocaleString() !== n__obj.toLocaleString()) {
-  $ERROR('#4');
+  throw new Test262Error('#4');
 }
 
 if (typeof __obj !== typeof n__obj) {
-  $ERROR('#5');
+  throw new Test262Error('#5');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A1_T3.js b/test/built-ins/Object/S15.2.1.1_A1_T3.js
index 47685eae43..1a5ebc6265 100644
--- a/test/built-ins/Object/S15.2.1.1_A1_T3.js
+++ b/test/built-ins/Object/S15.2.1.1_A1_T3.js
@@ -14,21 +14,21 @@ var __obj = Object();
 var n__obj = new Object();
 
 if (__obj.toString() !== n__obj.toString()) {
-  $ERROR('#1');
+  throw new Test262Error('#1');
 }
 
 if (__obj.constructor !== n__obj.constructor) {
-  $ERROR('#2');
+  throw new Test262Error('#2');
 }
 
 if (__obj.prototype !== n__obj.prototype) {
-  $ERROR('#3');
+  throw new Test262Error('#3');
 }
 
 if (__obj.toLocaleString() !== n__obj.toLocaleString()) {
-  $ERROR('#4');
+  throw new Test262Error('#4');
 }
 
 if (typeof __obj !== typeof n__obj) {
-  $ERROR('#5');
+  throw new Test262Error('#5');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A1_T4.js b/test/built-ins/Object/S15.2.1.1_A1_T4.js
index 15a35d0a05..067271461f 100644
--- a/test/built-ins/Object/S15.2.1.1_A1_T4.js
+++ b/test/built-ins/Object/S15.2.1.1_A1_T4.js
@@ -14,21 +14,21 @@ var __obj = Object(undefined);
 var n__obj = new Object(undefined);
 
 if (__obj.toString() !== n__obj.toString()) {
-  $ERROR('#1');
+  throw new Test262Error('#1');
 }
 
 if (__obj.constructor !== n__obj.constructor) {
-  $ERROR('#2');
+  throw new Test262Error('#2');
 }
 
 if (__obj.prototype !== n__obj.prototype) {
-  $ERROR('#3');
+  throw new Test262Error('#3');
 }
 
 if (__obj.toLocaleString() !== n__obj.toLocaleString()) {
-  $ERROR('#4');
+  throw new Test262Error('#4');
 }
 
 if (typeof __obj !== typeof n__obj) {
-  $ERROR('#5');
+  throw new Test262Error('#5');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A1_T5.js b/test/built-ins/Object/S15.2.1.1_A1_T5.js
index bf55633125..ba66948dfc 100644
--- a/test/built-ins/Object/S15.2.1.1_A1_T5.js
+++ b/test/built-ins/Object/S15.2.1.1_A1_T5.js
@@ -14,23 +14,23 @@ var __obj = Object(x);
 var n__obj = new Object(x);
 
 if (__obj.toString() !== n__obj.toString()) {
-  $ERROR('#1');
+  throw new Test262Error('#1');
 }
 
 if (__obj.constructor !== n__obj.constructor) {
-  $ERROR('#2');
+  throw new Test262Error('#2');
 }
 
 if (__obj.prototype !== n__obj.prototype) {
-  $ERROR('#3');
+  throw new Test262Error('#3');
 }
 
 if (__obj.toLocaleString() !== n__obj.toLocaleString()) {
-  $ERROR('#4');
+  throw new Test262Error('#4');
 }
 
 if (typeof __obj !== typeof n__obj) {
-  $ERROR('#5');
+  throw new Test262Error('#5');
 }
 
 var x;
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T1.js b/test/built-ins/Object/S15.2.1.1_A2_T1.js
index 48bfbfd6e1..e6eb529ad0 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T1.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T1.js
@@ -12,23 +12,23 @@ description: Calling Object function with boolean argument value
 var bool = true;
 
 if (typeof bool !== 'boolean') {
-  $ERROR('#1: bool should be boolean primitive');
+  throw new Test262Error('#1: bool should be boolean primitive');
 }
 
 var obj = Object(bool);
 
 if (obj.constructor !== Boolean) {
-  $ERROR('#2: Object(true) returns ToObject(true)');
+  throw new Test262Error('#2: Object(true) returns ToObject(true)');
 }
 
 if (typeof obj !== "object") {
-  $ERROR('#3: Object(true) returns ToObject(true)');
+  throw new Test262Error('#3: Object(true) returns ToObject(true)');
 }
 
 if (!obj) {
-  $ERROR('#4: Object(true) returns ToObject(true)');
+  throw new Test262Error('#4: Object(true) returns ToObject(true)');
 }
 
 if (obj === true) {
-  $ERROR('#5: Object(true) returns ToObject(true)');
+  throw new Test262Error('#5: Object(true) returns ToObject(true)');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T10.js b/test/built-ins/Object/S15.2.1.1_A2_T10.js
index c0f0606d78..ee98f99a3a 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T10.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T10.js
@@ -13,7 +13,7 @@ var arr = [1, 2, 3];
 
 //CHECK#1
 if (typeof arr !== 'object') {
-  $ERROR('#1: arr = [1,2,3] is NOT an object');
+  throw new Test262Error('#1: arr = [1,2,3] is NOT an object');
 }
 
 var n_obj = Object(arr);
@@ -22,5 +22,5 @@ arr.push(4);
 
 //CHECK#2
 if ((n_obj !== arr) || (n_obj[3] !== 4)) {
-  $ERROR('#2: Object([1,2,3]) returns ToObject([1,2,3])');
+  throw new Test262Error('#2: Object([1,2,3]) returns ToObject([1,2,3])');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T11.js b/test/built-ins/Object/S15.2.1.1_A2_T11.js
index 03ca6fbccb..e61e0dbe98 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T11.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T11.js
@@ -11,7 +11,7 @@ description: Calling Object function with function declaration as argument value
 
 //CHECK#1
 if (typeof func !== 'undefined') {
-  $ERROR('#1:  function expression can\'t be declarated');
+  throw new Test262Error('#1:  function expression can\'t be declarated');
 }
 
 var n_obj = Object(function func() {
@@ -20,10 +20,10 @@ var n_obj = Object(function func() {
 
 //CHECK#2
 if ((n_obj.constructor !== Function) || (n_obj() !== 1)) {
-  $ERROR('#2: Object(function func(){return 1;}) returns function');
+  throw new Test262Error('#2: Object(function func(){return 1;}) returns function');
 }
 
 //CHECK#3
 if (typeof func !== 'undefined') {
-  $ERROR('#3:  function expression can\'t be declarated');
+  throw new Test262Error('#3:  function expression can\'t be declarated');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T12.js b/test/built-ins/Object/S15.2.1.1_A2_T12.js
index 820956ed6b..6df2800f57 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T12.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T12.js
@@ -15,16 +15,16 @@ var obj = Object(1.1 * ([].length + {
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#2: Object(expression) returns ToObject(expression)');
 }
 
 //CHECK#3
 if (obj.constructor !== Number) {
-  $ERROR('#3: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#3: Object(expression) returns ToObject(expression)');
 }
 
 //CHECK#4
 if ((obj != 1.1) || (obj === 1.1)) {
-  $ERROR('#4: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#4: Object(expression) returns ToObject(expression)');
 }
 //
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T13.js b/test/built-ins/Object/S15.2.1.1_A2_T13.js
index d301fb5ecc..e164bd6fc3 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T13.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T13.js
@@ -13,20 +13,20 @@ var obj = Object((1 === 1) && (!false));
 
 //CHECK#1
 if (obj.constructor !== Boolean) {
-  $ERROR('#1: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#1: Object(expression) returns ToObject(expression)');
 }
 
 //CHECK#1.1
 if (typeof obj !== "object") {
-  $ERROR('#1.1: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#1.1: Object(expression) returns ToObject(expression)');
 }
 
 //CHECK#2
 if (!(obj)) {
-  $ERROR('#2: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#2: Object(expression) returns ToObject(expression)');
 }
 
 //CHECK#3
 if (obj === true) {
-  $ERROR('#3: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#3: Object(expression) returns ToObject(expression)');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T14.js b/test/built-ins/Object/S15.2.1.1_A2_T14.js
index 69e4299315..f4f9a845e4 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T14.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T14.js
@@ -15,15 +15,15 @@ var obj = Object("" + 1);
 
 //CHECK#2
 if (obj.constructor !== String) {
-  $ERROR('#2: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#2: Object(expression) returns ToObject(expression)');
 }
 
 //CHECK#3
 if (typeof obj !== "object") {
-  $ERROR('#3: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#3: Object(expression) returns ToObject(expression)');
 }
 
 //CHECK#4
 if ((obj != "1") || (obj === "1")) {
-  $ERROR('#4: Object(expression) returns ToObject(expression)');
+  throw new Test262Error('#4: Object(expression) returns ToObject(expression)');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T2.js b/test/built-ins/Object/S15.2.1.1_A2_T2.js
index d9241c2ce0..b9d812dbeb 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T2.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T2.js
@@ -13,23 +13,23 @@ var num = 1.1;
 
 // CHECK#1
 if (typeof num !== 'number') {
-  $ERROR('#1: num = 1.1 should be Number primitive');
+  throw new Test262Error('#1: num = 1.1 should be Number primitive');
 }
 
 var obj = Object(num);
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Object(1.1) returns ToObject(1.1)');
+  throw new Test262Error('#2: Object(1.1) returns ToObject(1.1)');
 }
 
 //CHECK#3
 if (obj.constructor !== Number) {
-  $ERROR('#3: Object(1.1) returns ToObject(1.1)');
+  throw new Test262Error('#3: Object(1.1) returns ToObject(1.1)');
 }
 
 //CHECK#4
 if ((obj != 1.1) || (obj === 1.1)) {
-  $ERROR('#4: Object(1.1) returns ToObject(1.1)');
+  throw new Test262Error('#4: Object(1.1) returns ToObject(1.1)');
 }
 //
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T3.js b/test/built-ins/Object/S15.2.1.1_A2_T3.js
index f0dc0a6158..3b476b6dec 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T3.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T3.js
@@ -13,22 +13,22 @@ var str = 'Luke Skywalker';
 
 // CHECK#1
 if (typeof str !== 'string') {
-  $ERROR('#1: "Luke Skywalker" should be a String primitive');
+  throw new Test262Error('#1: "Luke Skywalker" should be a String primitive');
 }
 
 var obj = Object(str);
 
 //CHECK#2
 if (obj.constructor !== String) {
-  $ERROR('#2: Object("Luke Skywalker") returns ToObject("Luke Skywalker")');
+  throw new Test262Error('#2: Object("Luke Skywalker") returns ToObject("Luke Skywalker")');
 }
 
 //CHECK#3
 if (typeof obj !== "object") {
-  $ERROR('#3: Object("Luke Skywalker") returns ToObject("Luke Skywalker")');
+  throw new Test262Error('#3: Object("Luke Skywalker") returns ToObject("Luke Skywalker")');
 }
 
 //CHECK#4
 if ((obj != "Luke Skywalker") || (obj === "Luke Skywalker")) {
-  $ERROR('#4: Object("Luke Skywalker") returns ToObject("Luke Skywalker")');
+  throw new Test262Error('#4: Object("Luke Skywalker") returns ToObject("Luke Skywalker")');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T4.js b/test/built-ins/Object/S15.2.1.1_A2_T4.js
index 21090a7a1d..673e74f309 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T4.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T4.js
@@ -15,12 +15,12 @@ var obj = {
 
 //CHECK#1
 if (typeof(obj) !== 'object') {
-  $ERROR('#1: obj = {flag:true} should be an Object');
+  throw new Test262Error('#1: obj = {flag:true} should be an Object');
 }
 
 var n_obj = Object(obj);
 
 //CHECK#2
 if ((n_obj !== obj) || (!(n_obj['flag']))) {
-  $ERROR('#2: Object({flag:true}) returns ToObject({flag:true})');
+  throw new Test262Error('#2: Object({flag:true}) returns ToObject({flag:true})');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T5.js b/test/built-ins/Object/S15.2.1.1_A2_T5.js
index ff1c17d8bf..a147ef147a 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T5.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T5.js
@@ -13,18 +13,18 @@ var num = NaN;
 
 // CHECK#1
 if (typeof num !== 'number') {
-  $ERROR('#1: num = NaN should have number type');
+  throw new Test262Error('#1: num = NaN should have number type');
 }
 
 var obj = Object(num);
 
 //CHECK#2
 if (obj.constructor !== Number) {
-  $ERROR('#2: Object(NaN) returns ToObject(NaN)');
+  throw new Test262Error('#2: Object(NaN) returns ToObject(NaN)');
 }
 
 //CHECK#3
 if (typeof obj !== "object") {
-  $ERROR('#2: Object(NaN) returns ToObject(NaN)');
+  throw new Test262Error('#2: Object(NaN) returns ToObject(NaN)');
 }
 //
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T6.js b/test/built-ins/Object/S15.2.1.1_A2_T6.js
index 0d1d4a3bb5..8d566e782c 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T6.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T6.js
@@ -13,22 +13,22 @@ var num = Infinity;
 
 // CHECK#1
 if (typeof num !== 'number') {
-  $ERROR('#1: num = Infinity should be a Number primitive');
+  throw new Test262Error('#1: num = Infinity should be a Number primitive');
 }
 
 var obj = Object(num);
 
 //CHECK#2
 if (obj.constructor !== Number) {
-  $ERROR('#2: Object(Infinity) returns ToObject(Infinity)');
+  throw new Test262Error('#2: Object(Infinity) returns ToObject(Infinity)');
 }
 
 //CHECK#3
 if (typeof obj !== "object") {
-  $ERROR('#3: Object(Infinity) returns ToObject(Infinity)');
+  throw new Test262Error('#3: Object(Infinity) returns ToObject(Infinity)');
 }
 
 //CHECK#4
 if ((obj != Infinity) || (obj === Infinity)) {
-  $ERROR('#4: Object(Infinity) returns ToObject(Infinity)');
+  throw new Test262Error('#4: Object(Infinity) returns ToObject(Infinity)');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T7.js b/test/built-ins/Object/S15.2.1.1_A2_T7.js
index 33d4117cd7..7eb8e22548 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T7.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T7.js
@@ -13,22 +13,22 @@ var str = '';
 
 // CHECK#1
 if (typeof(str) !== 'string') {
-  $ERROR('#1: "" is NOT a String');
+  throw new Test262Error('#1: "" is NOT a String');
 }
 
 var obj = Object(str);
 
 //CHECK#2
 if (obj.constructor !== String) {
-  $ERROR('#2: Object("") returns ToObject("")');
+  throw new Test262Error('#2: Object("") returns ToObject("")');
 }
 
 //CHECK#3
 if (typeof obj !== "object") {
-  $ERROR('#3: Object("") returns ToObject("")');
+  throw new Test262Error('#3: Object("") returns ToObject("")');
 }
 
 //CHECK#4
 if ((obj != "") || (obj === "")) {
-  $ERROR('#4: Object("") returns ToObject("")');
+  throw new Test262Error('#4: Object("") returns ToObject("")');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T8.js b/test/built-ins/Object/S15.2.1.1_A2_T8.js
index a55517655f..ad8428338c 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T8.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T8.js
@@ -15,12 +15,12 @@ var func = function() {
 
 //CHECK#1
 if (typeof func !== 'function') {
-  $ERROR('#1: func = function(){return 1;} is NOT an function');
+  throw new Test262Error('#1: func = function(){return 1;} is NOT an function');
 }
 
 var n_obj = Object(func);
 
 //CHECK#2
 if ((n_obj !== func) || (n_obj() !== 1)) {
-  $ERROR('#2: Object(function) returns function');
+  throw new Test262Error('#2: Object(function) returns function');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A2_T9.js b/test/built-ins/Object/S15.2.1.1_A2_T9.js
index 223566efc1..2757ec3608 100644
--- a/test/built-ins/Object/S15.2.1.1_A2_T9.js
+++ b/test/built-ins/Object/S15.2.1.1_A2_T9.js
@@ -13,14 +13,14 @@ description: >
 
 //CHECK#1
 if (typeof func !== 'function') {
-  $ERROR('#1: func = function(){return 1;} is NOT an function');
+  throw new Test262Error('#1: func = function(){return 1;} is NOT an function');
 }
 
 var n_obj = Object(func);
 
 //CHECK#2
 if ((n_obj !== func) || (n_obj() !== 1)) {
-  $ERROR('#2: Object(function) returns function');
+  throw new Test262Error('#2: Object(function) returns function');
 }
 
 function func() {
diff --git a/test/built-ins/Object/S15.2.1.1_A3_T1.js b/test/built-ins/Object/S15.2.1.1_A3_T1.js
index de23e0a570..d7921485dc 100644
--- a/test/built-ins/Object/S15.2.1.1_A3_T1.js
+++ b/test/built-ins/Object/S15.2.1.1_A3_T1.js
@@ -13,15 +13,15 @@ var obj = Object(1, 2, 3);
 
 //CHECK#1
 if (obj.constructor !== Number) {
-  $ERROR('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#3
 if ((obj != 1) || (obj === 1)) {
-  $ERROR('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A3_T2.js b/test/built-ins/Object/S15.2.1.1_A3_T2.js
index a19658eaaa..afc5c2cf61 100644
--- a/test/built-ins/Object/S15.2.1.1_A3_T2.js
+++ b/test/built-ins/Object/S15.2.1.1_A3_T2.js
@@ -13,10 +13,10 @@ var obj = Object(null, 2, 3);
 
 //CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
diff --git a/test/built-ins/Object/S15.2.1.1_A3_T3.js b/test/built-ins/Object/S15.2.1.1_A3_T3.js
index 6d45592dae..da1aef8148 100644
--- a/test/built-ins/Object/S15.2.1.1_A3_T3.js
+++ b/test/built-ins/Object/S15.2.1.1_A3_T3.js
@@ -13,15 +13,15 @@ var obj = Object((null, 2, 3), 1, 2);
 
 //CHECK#1
 if (obj.constructor !== Number) {
-  $ERROR('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#3
 if ((obj != 3) || (obj === 3)) {
-  $ERROR('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A1_T1.js b/test/built-ins/Object/S15.2.2.1_A1_T1.js
index f2ca067e80..ce30cf9ab4 100644
--- a/test/built-ins/Object/S15.2.2.1_A1_T1.js
+++ b/test/built-ins/Object/S15.2.2.1_A1_T1.js
@@ -18,26 +18,26 @@ var obj = new Object();
 
 // CHECK#0
 if (obj === undefined) {
-  $ERROR('#0: new Object() return the newly created native object.');
+  throw new Test262Error('#0: new Object() return the newly created native object.');
 }
 
 // CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: new Object() create a new native ECMAScript object');
+  throw new Test262Error('#1: new Object() create a new native ECMAScript object');
 }
 
 // CHECK#2
 if (!(Object.prototype.isPrototypeOf(obj))) {
-  $ERROR('#2: when new Object() calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
+  throw new Test262Error('#2: when new Object() calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
 }
 
 // CHECK#3
 var to_string_result = '[object ' + 'Object' + ']';
 if (obj.toString() !== to_string_result) {
-  $ERROR('#3: when new Object() calls the [[Class]] property of the newly constructed object is set to "Object".');
+  throw new Test262Error('#3: when new Object() calls the [[Class]] property of the newly constructed object is set to "Object".');
 }
 
 // CHECK#4
 if (obj.valueOf().toString() !== to_string_result.toString()) {
-  $ERROR('#4: when new Object() calls the newly constructed object has no [[Value]] property.');
+  throw new Test262Error('#4: when new Object() calls the newly constructed object has no [[Value]] property.');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A1_T2.js b/test/built-ins/Object/S15.2.2.1_A1_T2.js
index 9d073d2158..27744917ff 100644
--- a/test/built-ins/Object/S15.2.2.1_A1_T2.js
+++ b/test/built-ins/Object/S15.2.2.1_A1_T2.js
@@ -19,26 +19,26 @@ var obj = new Object(void 0);
 
 // CHECK#0
 if (obj === undefined) {
-  $ERROR('#0: new Object(undefined) return the newly created native object.');
+  throw new Test262Error('#0: new Object(undefined) return the newly created native object.');
 }
 
 // CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: new Object(undefined) create a new native ECMAScript object');
+  throw new Test262Error('#1: new Object(undefined) create a new native ECMAScript object');
 }
 
 // CHECK#2
 if (!(Object.prototype.isPrototypeOf(obj))) {
-  $ERROR('#2: when new Object(undefined) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
+  throw new Test262Error('#2: when new Object(undefined) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
 }
 
 // CHECK#3
 var to_string_result = '[object ' + 'Object' + ']';
 if (obj.toString() !== to_string_result) {
-  $ERROR('#3: when new Object(undefined) calls the [[Class]] property of the newly constructed object is set to "Object".');
+  throw new Test262Error('#3: when new Object(undefined) calls the [[Class]] property of the newly constructed object is set to "Object".');
 }
 
 // CHECK#4
 if (obj.valueOf().toString() !== to_string_result.toString()) {
-  $ERROR('#4: when new Object(undefined) calls the newly constructed object has no [[Value]] property.');
+  throw new Test262Error('#4: when new Object(undefined) calls the newly constructed object has no [[Value]] property.');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A1_T3.js b/test/built-ins/Object/S15.2.2.1_A1_T3.js
index 754853b211..847e93b180 100644
--- a/test/built-ins/Object/S15.2.2.1_A1_T3.js
+++ b/test/built-ins/Object/S15.2.2.1_A1_T3.js
@@ -18,26 +18,26 @@ var obj = new Object(null);
 
 // CHECK#0
 if (obj === undefined) {
-  $ERROR('#0: new Object(null) return the newly created native object.');
+  throw new Test262Error('#0: new Object(null) return the newly created native object.');
 }
 
 // CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: new Object(null) create a new native ECMAScript object');
+  throw new Test262Error('#1: new Object(null) create a new native ECMAScript object');
 }
 
 // CHECK#2
 if (!(Object.prototype.isPrototypeOf(obj))) {
-  $ERROR('#2: when new Object(null) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
+  throw new Test262Error('#2: when new Object(null) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
 }
 
 // CHECK#3
 var to_string_result = '[object ' + 'Object' + ']';
 if (obj.toString() !== to_string_result) {
-  $ERROR('#3: when new Object(null) calls the [[Class]] property of the newly constructed object is set to "Object".');
+  throw new Test262Error('#3: when new Object(null) calls the [[Class]] property of the newly constructed object is set to "Object".');
 }
 
 // CHECK#4
 if (obj.valueOf().toString() !== to_string_result.toString()) {
-  $ERROR('#4: when new Object(null) calls the newly constructed object has no [[Value]] property.');
+  throw new Test262Error('#4: when new Object(null) calls the newly constructed object has no [[Value]] property.');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A1_T4.js b/test/built-ins/Object/S15.2.2.1_A1_T4.js
index c04305b17b..8b0cfab4b9 100644
--- a/test/built-ins/Object/S15.2.2.1_A1_T4.js
+++ b/test/built-ins/Object/S15.2.2.1_A1_T4.js
@@ -18,26 +18,26 @@ var obj = new Object(undefined);
 
 // CHECK#0
 if (obj === undefined) {
-  $ERROR('#0: new Object(undefined) return the newly created native object.');
+  throw new Test262Error('#0: new Object(undefined) return the newly created native object.');
 }
 
 // CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: new Object(undefined) create a new native ECMAScript object');
+  throw new Test262Error('#1: new Object(undefined) create a new native ECMAScript object');
 }
 
 // CHECK#2
 if (!(Object.prototype.isPrototypeOf(obj))) {
-  $ERROR('#2: when new Object(undefined) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
+  throw new Test262Error('#2: when new Object(undefined) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
 }
 
 // CHECK#3
 var to_string_result = '[object ' + 'Object' + ']';
 if (obj.toString() !== to_string_result) {
-  $ERROR('#3: when new Object(undefined) calls the [[Class]] property of the newly constructed object is set to "Object".');
+  throw new Test262Error('#3: when new Object(undefined) calls the [[Class]] property of the newly constructed object is set to "Object".');
 }
 
 // CHECK#4
 if (obj.valueOf().toString() !== to_string_result.toString()) {
-  $ERROR('#4: when new Object(undefined) calls the newly constructed object has no [[Value]] property.');
+  throw new Test262Error('#4: when new Object(undefined) calls the newly constructed object has no [[Value]] property.');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A1_T5.js b/test/built-ins/Object/S15.2.2.1_A1_T5.js
index b2835a9b86..294b220995 100644
--- a/test/built-ins/Object/S15.2.2.1_A1_T5.js
+++ b/test/built-ins/Object/S15.2.2.1_A1_T5.js
@@ -20,28 +20,28 @@ var obj = new Object(x);
 
 // CHECK#0
 if (obj === undefined) {
-  $ERROR('#0: new Object(undefined) return the newly created native object.');
+  throw new Test262Error('#0: new Object(undefined) return the newly created native object.');
 }
 
 // CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: new Object(undefined) create a new native ECMAScript object');
+  throw new Test262Error('#1: new Object(undefined) create a new native ECMAScript object');
 }
 
 // CHECK#2
 if (!(Object.prototype.isPrototypeOf(obj))) {
-  $ERROR('#2: when new Object(undefined) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
+  throw new Test262Error('#2: when new Object(undefined) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
 }
 
 // CHECK#3
 var to_string_result = '[object ' + 'Object' + ']';
 if (obj.toString() !== to_string_result) {
-  $ERROR('#3: when new Object(undefined) calls the [[Class]] property of the newly constructed object is set to "Object".');
+  throw new Test262Error('#3: when new Object(undefined) calls the [[Class]] property of the newly constructed object is set to "Object".');
 }
 
 // CHECK#4
 if (obj.valueOf().toString() !== to_string_result.toString()) {
-  $ERROR('#4: when new Object(undefined) calls the newly constructed object has no [[Value]] property.');
+  throw new Test262Error('#4: when new Object(undefined) calls the newly constructed object has no [[Value]] property.');
 }
 
 var x;
diff --git a/test/built-ins/Object/S15.2.2.1_A2_T1.js b/test/built-ins/Object/S15.2.2.1_A2_T1.js
index 1740d2fb23..c6593fe6da 100644
--- a/test/built-ins/Object/S15.2.2.1_A2_T1.js
+++ b/test/built-ins/Object/S15.2.2.1_A2_T1.js
@@ -17,10 +17,10 @@ var n_obj = new Object(obj);
 
 //CHECK#1
 if (n_obj !== obj) {
-  $ERROR('#1: When the Object constructor is called and if the value is an Object simply value returns.');
+  throw new Test262Error('#1: When the Object constructor is called and if the value is an Object simply value returns.');
 }
 
 //CHECK#2
 if (n_obj['prop'] !== 1) {
-  $ERROR('#2: When the Object constructor is called and if the value is an Object simply value returns.');
+  throw new Test262Error('#2: When the Object constructor is called and if the value is an Object simply value returns.');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A2_T2.js b/test/built-ins/Object/S15.2.2.1_A2_T2.js
index 58fb4f0b53..16052dd49a 100644
--- a/test/built-ins/Object/S15.2.2.1_A2_T2.js
+++ b/test/built-ins/Object/S15.2.2.1_A2_T2.js
@@ -17,11 +17,11 @@ var n_obj = new Object(func);
 
 //CHECK#1
 if (n_obj !== func) {
-  $ERROR('#1: When the Object constructor is called and if the value is an Object simply value returns');
+  throw new Test262Error('#1: When the Object constructor is called and if the value is an Object simply value returns');
 }
 
 //CHECK#2
 if (n_obj() !== 1) {
-  $ERROR('When the Object constructor is called and if the value is an Object simply value returns');
+  throw new Test262Error('When the Object constructor is called and if the value is an Object simply value returns');
 }
 //
diff --git a/test/built-ins/Object/S15.2.2.1_A2_T3.js b/test/built-ins/Object/S15.2.2.1_A2_T3.js
index 2321141c2f..5102962688 100644
--- a/test/built-ins/Object/S15.2.2.1_A2_T3.js
+++ b/test/built-ins/Object/S15.2.2.1_A2_T3.js
@@ -17,10 +17,10 @@ arr.push(4);
 
 //CHECK#1
 if (n_obj !== arr) {
-  $ERROR('#1: When the Object constructor is called and if the value is an Object simply value returns.');
+  throw new Test262Error('#1: When the Object constructor is called and if the value is an Object simply value returns.');
 }
 
 //CHECK#2
 if (n_obj[3] !== 4) {
-  $ERROR('#2: When the Object constructor is called and if the value is an Object simply value returns.');
+  throw new Test262Error('#2: When the Object constructor is called and if the value is an Object simply value returns.');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A2_T5.js b/test/built-ins/Object/S15.2.2.1_A2_T5.js
index a0bb964544..1bf78b9028 100644
--- a/test/built-ins/Object/S15.2.2.1_A2_T5.js
+++ b/test/built-ins/Object/S15.2.2.1_A2_T5.js
@@ -15,10 +15,10 @@ var n_obj = new Object(obj);
 
 //CHECK#1
 if (n_obj !== obj) {
-  $ERROR('#1: When the Object constructor is called and if the value is an Object simply value returns.');
+  throw new Test262Error('#1: When the Object constructor is called and if the value is an Object simply value returns.');
 }
 
 //CHECK#2
 if ((n_obj.getFullYear() !== 1978) || (n_obj.getMonth() !== 3)) {
-  $ERROR('#2: When the Object constructor is called and if the value is an Object simply value returns.');
+  throw new Test262Error('#2: When the Object constructor is called and if the value is an Object simply value returns.');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A2_T6.js b/test/built-ins/Object/S15.2.2.1_A2_T6.js
index f2cdbfbf78..211032c595 100644
--- a/test/built-ins/Object/S15.2.2.1_A2_T6.js
+++ b/test/built-ins/Object/S15.2.2.1_A2_T6.js
@@ -13,12 +13,12 @@ var n_obj = new Object(func);
 
 //CHECK#1
 if (n_obj !== func) {
-  $ERROR('#1: When the Object constructor is called and if the value is an Object simply value returns');
+  throw new Test262Error('#1: When the Object constructor is called and if the value is an Object simply value returns');
 }
 
 //CHECK#2
 if (n_obj() !== 1) {
-  $ERROR('When the Object constructor is called and if the value is an Object simply value returns');
+  throw new Test262Error('When the Object constructor is called and if the value is an Object simply value returns');
 }
 
 function func() {
diff --git a/test/built-ins/Object/S15.2.2.1_A2_T7.js b/test/built-ins/Object/S15.2.2.1_A2_T7.js
index a4cf47654c..dd1675e74c 100644
--- a/test/built-ins/Object/S15.2.2.1_A2_T7.js
+++ b/test/built-ins/Object/S15.2.2.1_A2_T7.js
@@ -11,7 +11,7 @@ description: The value is a function declaration
 
 //CHECK#0
 if (typeof func !== 'undefined') {
-  $ERROR('#0: function expression can\'t be declarated');
+  throw new Test262Error('#0: function expression can\'t be declarated');
 }
 
 var n_obj = new Object(function func() {
@@ -20,15 +20,15 @@ var n_obj = new Object(function func() {
 
 //CHECK#1
 if (n_obj.constructor !== Function) {
-  $ERROR('#1: When the Object constructor is called and if the value is an Object simply value returns');
+  throw new Test262Error('#1: When the Object constructor is called and if the value is an Object simply value returns');
 }
 
 //CHECK#2
 if (n_obj() !== 1) {
-  $ERROR('#2: When the Object constructor is called and if the value is an Object simply value returns');
+  throw new Test262Error('#2: When the Object constructor is called and if the value is an Object simply value returns');
 }
 
 //CHECK#3
 if (typeof func !== 'undefined') {
-  $ERROR('#3: function expression can\'t be declarated');
+  throw new Test262Error('#3: function expression can\'t be declarated');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A3_T1.js b/test/built-ins/Object/S15.2.2.1_A3_T1.js
index a1aca13ca6..54aa6c1daf 100644
--- a/test/built-ins/Object/S15.2.2.1_A3_T1.js
+++ b/test/built-ins/Object/S15.2.2.1_A3_T1.js
@@ -13,7 +13,7 @@ var str = 'Obi-Wan Kenobi';
 
 //CHECK#1
 if (typeof str !== 'string') {
-  $ERROR('#1: "Obi-Wan Kenobi" is NOT a String');
+  throw new Test262Error('#1: "Obi-Wan Kenobi" is NOT a String');
 }
 
 
@@ -21,20 +21,20 @@ var n_obj = new Object(str);
 
 //CHECK#2
 if (n_obj.constructor !== String) {
-  $ERROR('#2: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#2: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#3: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#4
 if (n_obj != str) {
-  $ERROR('#4: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#4: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#5
 if (n_obj === str) {
-  $ERROR('#5: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#5: When the Object constructor is called with String argument return ToObject(string)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A3_T2.js b/test/built-ins/Object/S15.2.2.1_A3_T2.js
index 5b4a35edfb..3df6985a5a 100644
--- a/test/built-ins/Object/S15.2.2.1_A3_T2.js
+++ b/test/built-ins/Object/S15.2.2.1_A3_T2.js
@@ -13,27 +13,27 @@ var str = '';
 
 //CHECK#1
 if (typeof str !== 'string') {
-  $ERROR('#1: "" is NOT a String');
+  throw new Test262Error('#1: "" is NOT a String');
 }
 
 var n_obj = new Object(str);
 
 //CHECK#2
 if (n_obj.constructor !== String) {
-  $ERROR('#2: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#2: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#3: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#4
 if (n_obj != str) {
-  $ERROR('#4: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#4: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#5
 if (n_obj === str) {
-  $ERROR('#5: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#5: When the Object constructor is called with String argument return ToObject(string)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A3_T3.js b/test/built-ins/Object/S15.2.2.1_A3_T3.js
index 8210a7d3e4..f476237c96 100644
--- a/test/built-ins/Object/S15.2.2.1_A3_T3.js
+++ b/test/built-ins/Object/S15.2.2.1_A3_T3.js
@@ -13,20 +13,20 @@ var n_obj = new Object("" + 1);
 
 //CHECK#2
 if (n_obj.constructor !== String) {
-  $ERROR('#2: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#2: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#3: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#4
 if (n_obj != "1") {
-  $ERROR('#4: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#4: When the Object constructor is called with String argument return ToObject(string)');
 }
 
 //CHECK#5
 if (n_obj === "1") {
-  $ERROR('#5: When the Object constructor is called with String argument return ToObject(string)');
+  throw new Test262Error('#5: When the Object constructor is called with String argument return ToObject(string)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A4_T1.js b/test/built-ins/Object/S15.2.2.1_A4_T1.js
index f3238f139c..147e0676b1 100644
--- a/test/built-ins/Object/S15.2.2.1_A4_T1.js
+++ b/test/built-ins/Object/S15.2.2.1_A4_T1.js
@@ -13,27 +13,27 @@ var bool = true;
 
 //CHECK#1
 if (typeof bool !== 'boolean') {
-  $ERROR('#1: true is NOT a boolean');
+  throw new Test262Error('#1: true is NOT a boolean');
 }
 
 var n_obj = new Object(bool);
 
 //CHECK#2
 if (n_obj.constructor !== Boolean) {
-  $ERROR('#2: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#2: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#3: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#4
 if (n_obj != bool) {
-  $ERROR('#4: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#4: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#5
 if (n_obj === bool) {
-  $ERROR('#5: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#5: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A4_T2.js b/test/built-ins/Object/S15.2.2.1_A4_T2.js
index c84eeeed56..0e0676006a 100644
--- a/test/built-ins/Object/S15.2.2.1_A4_T2.js
+++ b/test/built-ins/Object/S15.2.2.1_A4_T2.js
@@ -13,27 +13,27 @@ var bool = false;
 
 //CHECK#1
 if (typeof bool !== 'boolean') {
-  $ERROR('#1: false is NOT a boolean');
+  throw new Test262Error('#1: false is NOT a boolean');
 }
 
 var n_obj = new Object(bool);
 
 //CHECK#2
 if (n_obj.constructor !== Boolean) {
-  $ERROR('#2: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#2: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#3: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#4
 if (n_obj != bool) {
-  $ERROR('#4: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#4: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#5
 if (n_obj === bool) {
-  $ERROR('#5: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#5: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A4_T3.js b/test/built-ins/Object/S15.2.2.1_A4_T3.js
index 9515740fc0..3769cfc0ae 100644
--- a/test/built-ins/Object/S15.2.2.1_A4_T3.js
+++ b/test/built-ins/Object/S15.2.2.1_A4_T3.js
@@ -13,20 +13,20 @@ var n_obj = new Object((1 === 1) && !(false));
 
 //CHECK#2
 if (n_obj.constructor !== Boolean) {
-  $ERROR('#2: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#2: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#3: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#4
 if (n_obj != true) {
-  $ERROR('#4: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#4: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
 
 //CHECK#5
 if (n_obj === true) {
-  $ERROR('#5: When the Object constructor is called with Boolean argument return ToObject(boolean)');
+  throw new Test262Error('#5: When the Object constructor is called with Boolean argument return ToObject(boolean)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A5_T1.js b/test/built-ins/Object/S15.2.2.1_A5_T1.js
index ec8809219d..da2b630bfa 100644
--- a/test/built-ins/Object/S15.2.2.1_A5_T1.js
+++ b/test/built-ins/Object/S15.2.2.1_A5_T1.js
@@ -13,27 +13,27 @@ var num = 1.0;
 
 //CHECK#1
 if (typeof num !== 'number') {
-  $ERROR('#1: 1.0 is NOT a number');
+  throw new Test262Error('#1: 1.0 is NOT a number');
 }
 
 var n_obj = new Object(num);
 
 //CHECK#2
 if (n_obj.constructor !== Number) {
-  $ERROR('#2: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#2: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#3: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#4
 if (n_obj != num) {
-  $ERROR('#4: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#4: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#5
 if (n_obj === num) {
-  $ERROR('#5: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#5: When the Object constructor is called with Number argument return ToObject(number)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A5_T2.js b/test/built-ins/Object/S15.2.2.1_A5_T2.js
index 722d6b38df..2e5e2fa924 100644
--- a/test/built-ins/Object/S15.2.2.1_A5_T2.js
+++ b/test/built-ins/Object/S15.2.2.1_A5_T2.js
@@ -13,17 +13,17 @@ var num = NaN;
 
 //CHECK#1
 if (typeof num !== 'number') {
-  $ERROR('#1: NaN is NOT a number');
+  throw new Test262Error('#1: NaN is NOT a number');
 }
 
 var n_obj = new Object(num);
 
 //CHECK#2
 if (n_obj.constructor !== Number) {
-  $ERROR('#2: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#2: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#3: When the Object constructor is called with Number argument return ToObject(number)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A5_T3.js b/test/built-ins/Object/S15.2.2.1_A5_T3.js
index ae1d15c912..dd001ce384 100644
--- a/test/built-ins/Object/S15.2.2.1_A5_T3.js
+++ b/test/built-ins/Object/S15.2.2.1_A5_T3.js
@@ -13,27 +13,27 @@ var num = Infinity;
 
 //CHECK#1
 if (typeof num !== 'number') {
-  $ERROR('#1: Infinity is NOT a number');
+  throw new Test262Error('#1: Infinity is NOT a number');
 }
 
 var n_obj = new Object(num);
 
 //CHECK#2
 if (n_obj.constructor !== Number) {
-  $ERROR('#2: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#2: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#3: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#4
 if (n_obj != num) {
-  $ERROR('#4: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#4: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#5
 if (n_obj === num) {
-  $ERROR('#5: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#5: When the Object constructor is called with Number argument return ToObject(number)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A5_T4.js b/test/built-ins/Object/S15.2.2.1_A5_T4.js
index 1ea06e2c91..1abad02825 100644
--- a/test/built-ins/Object/S15.2.2.1_A5_T4.js
+++ b/test/built-ins/Object/S15.2.2.1_A5_T4.js
@@ -15,20 +15,20 @@ var n_obj = new Object(2 * ([].length + {
 
 //CHECK#2
 if (n_obj.constructor !== Number) {
-  $ERROR('#2: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#2: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#3
 if (typeof n_obj !== 'object') {
-  $ERROR('#3: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#3: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#4
 if (n_obj != 2) {
-  $ERROR('#4: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#4: When the Object constructor is called with Number argument return ToObject(number)');
 }
 
 //CHECK#5
 if (n_obj === 2) {
-  $ERROR('#5: When the Object constructor is called with Number argument return ToObject(number)');
+  throw new Test262Error('#5: When the Object constructor is called with Number argument return ToObject(number)');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A6_T1.js b/test/built-ins/Object/S15.2.2.1_A6_T1.js
index 23f73a818e..8e68d11934 100644
--- a/test/built-ins/Object/S15.2.2.1_A6_T1.js
+++ b/test/built-ins/Object/S15.2.2.1_A6_T1.js
@@ -13,15 +13,15 @@ var obj = new Object(1, 2, 3);
 
 //CHECK#1
 if (obj.constructor !== Number) {
-  $ERROR('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#3
 if ((obj != 1) || (obj === 1)) {
-  $ERROR('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A6_T2.js b/test/built-ins/Object/S15.2.2.1_A6_T2.js
index 537ed6e546..f98242ba78 100644
--- a/test/built-ins/Object/S15.2.2.1_A6_T2.js
+++ b/test/built-ins/Object/S15.2.2.1_A6_T2.js
@@ -13,10 +13,10 @@ var obj = new Object(null, 2, 3);
 
 //CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
diff --git a/test/built-ins/Object/S15.2.2.1_A6_T3.js b/test/built-ins/Object/S15.2.2.1_A6_T3.js
index cee0898bae..8cf2e36893 100644
--- a/test/built-ins/Object/S15.2.2.1_A6_T3.js
+++ b/test/built-ins/Object/S15.2.2.1_A6_T3.js
@@ -13,15 +13,15 @@ var obj = new Object((null, 2, 3), 1, 2);
 
 //CHECK#1
 if (obj.constructor !== Number) {
-  $ERROR('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#1: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#2
 if (typeof obj !== "object") {
-  $ERROR('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('#2: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
 
 //CHECK#3
 if ((obj != 3) || (obj === 3)) {
-  $ERROR('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
+  throw new Test262Error('3#: Since Object as a function calling is the same as function calling list of arguments can appears in braces;');
 }
diff --git a/test/built-ins/Object/S15.2.3_A1.js b/test/built-ins/Object/S15.2.3_A1.js
index 663f1eaaf1..d95164824e 100644
--- a/test/built-ins/Object/S15.2.3_A1.js
+++ b/test/built-ins/Object/S15.2.3_A1.js
@@ -8,5 +8,5 @@ description: Checking existence of the property "prototype"
 ---*/
 
 if (!Object.hasOwnProperty("prototype")) {
-  $ERROR('#1: The Object constructor has the property "prototype"');
+  throw new Test262Error('#1: The Object constructor has the property "prototype"');
 }
diff --git a/test/built-ins/Object/S15.2.3_A2.js b/test/built-ins/Object/S15.2.3_A2.js
index 2e9ef05e91..b9ec98f0c9 100644
--- a/test/built-ins/Object/S15.2.3_A2.js
+++ b/test/built-ins/Object/S15.2.3_A2.js
@@ -11,5 +11,5 @@ description: Checking Function.prototype.isPrototypeOf(Object)
 
 // CHECK#
 if (!(Function.prototype.isPrototypeOf(Object))) {
-  $ERROR('#1: the value of the internal [[Prototype]] property of the Object constructor is the Function prototype object.');
+  throw new Test262Error('#1: the value of the internal [[Prototype]] property of the Object constructor is the Function prototype object.');
 }
diff --git a/test/built-ins/Object/S15.2.3_A3.js b/test/built-ins/Object/S15.2.3_A3.js
index cdff0f5ad4..cad0df324e 100644
--- a/test/built-ins/Object/S15.2.3_A3.js
+++ b/test/built-ins/Object/S15.2.3_A3.js
@@ -9,10 +9,10 @@ description: Checking Object.length
 
 //CHECK#1
 if (!Object.hasOwnProperty("length")) {
-  $ERROR('#1: The Object constructor has the property "length"');
+  throw new Test262Error('#1: The Object constructor has the property "length"');
 }
 
 //CHECK#2
 if (Object.length !== 1) {
-  $ERROR('#2: Object.length property value should be 1');
+  throw new Test262Error('#2: Object.length property value should be 1');
 }
diff --git a/test/built-ins/Object/S15.2_A1.js b/test/built-ins/Object/S15.2_A1.js
index b8bc45d87e..23f9686492 100644
--- a/test/built-ins/Object/S15.2_A1.js
+++ b/test/built-ins/Object/S15.2_A1.js
@@ -12,5 +12,5 @@ var obj = Object;
 var thisobj = this.Object;
 
 if (obj !== thisobj) {
-  $ERROR('Object is the property of global');
+  throw new Test262Error('Object is the property of global');
 }
diff --git a/test/built-ins/Object/S9.9_A3.js b/test/built-ins/Object/S9.9_A3.js
index b527535393..97956ab66a 100644
--- a/test/built-ins/Object/S9.9_A3.js
+++ b/test/built-ins/Object/S9.9_A3.js
@@ -11,30 +11,30 @@ description: Trying to convert from Boolean to Object
 
 // CHECK#1
 if (Object(true).valueOf() !== true) {
-  $ERROR('#1: Object(true).valueOf() === true. Actual: ' + (Object(true).valueOf()));
+  throw new Test262Error('#1: Object(true).valueOf() === true. Actual: ' + (Object(true).valueOf()));
 }
 
 // CHECK#2
 if (typeof Object(true) !== "object") {
-  $ERROR('#2: typeof Object(true) === "object". Actual: ' + (typeof Object(true)));
+  throw new Test262Error('#2: typeof Object(true) === "object". Actual: ' + (typeof Object(true)));
 }
 
 // CHECK#3
 if (Object(true).constructor.prototype !== Boolean.prototype) {
-  $ERROR('#3: Object(true).constructor.prototype === Boolean.prototype. Actual: ' + (Object(true).constructor.prototype));
+  throw new Test262Error('#3: Object(true).constructor.prototype === Boolean.prototype. Actual: ' + (Object(true).constructor.prototype));
 }
 
 // CHECK#4
 if (Object(false).valueOf() !== false) {
-  $ERROR('#4: Object(false).valueOf() === false. Actual: ' + (Object(false).valueOf()));
+  throw new Test262Error('#4: Object(false).valueOf() === false. Actual: ' + (Object(false).valueOf()));
 }
 
 // CHECK#5
 if (typeof Object(false) !== "object") {
-  $ERROR('#5: typeof Object(false) === "object". Actual: ' + (typeof Object(false)));
+  throw new Test262Error('#5: typeof Object(false) === "object". Actual: ' + (typeof Object(false)));
 }
 
 // CHECK#6
 if (Object(false).constructor.prototype !== Boolean.prototype) {
-  $ERROR('#6: Object(false).constructor.prototype === Boolean.prototype. Actual: ' + (Object(false).constructor.prototype));
+  throw new Test262Error('#6: Object(false).constructor.prototype === Boolean.prototype. Actual: ' + (Object(false).constructor.prototype));
 }
diff --git a/test/built-ins/Object/S9.9_A4.js b/test/built-ins/Object/S9.9_A4.js
index 7421de20ce..7fc29a7aaf 100644
--- a/test/built-ins/Object/S9.9_A4.js
+++ b/test/built-ins/Object/S9.9_A4.js
@@ -11,124 +11,124 @@ description: Converting from various numbers to Object
 
 // CHECK#1
 if (Object(0).valueOf() !== 0) {
-  $ERROR('#1: Object(0).valueOf() === 0. Actual: ' + (Object(0).valueOf()));
+  throw new Test262Error('#1: Object(0).valueOf() === 0. Actual: ' + (Object(0).valueOf()));
 }
 
 // CHECK#2
 if (typeof Object(0) !== "object") {
-  $ERROR('#2: typeof Object(0) === "object". Actual: ' + (typeof Object(0)));
+  throw new Test262Error('#2: typeof Object(0) === "object". Actual: ' + (typeof Object(0)));
 }
 
 // CHECK#3
 if (Object(0).constructor.prototype !== Number.prototype) {
-  $ERROR('#3: Object(0).constructor.prototype === Number.prototype. Actual: ' + (Object(0).constructor.prototype));
+  throw new Test262Error('#3: Object(0).constructor.prototype === Number.prototype. Actual: ' + (Object(0).constructor.prototype));
 }
 
 // CHECK#4
 if (Object(-0).valueOf() !== -0) {
-  $ERROR('#4.1: Object(-0).valueOf() === 0. Actual: ' + (Object(-0).valueOf()));
+  throw new Test262Error('#4.1: Object(-0).valueOf() === 0. Actual: ' + (Object(-0).valueOf()));
 } else if (1 / Object(-0).valueOf() !== Number.NEGATIVE_INFINITY) {
-  $ERROR('#4.2: Object(-0).valueOf() === -0. Actual: +0');
+  throw new Test262Error('#4.2: Object(-0).valueOf() === -0. Actual: +0');
 }
 
 // CHECK#5
 if (typeof Object(-0) !== "object") {
-  $ERROR('#5: typeof Object(-0) === "object". Actual: ' + (typeof Object(-0)));
+  throw new Test262Error('#5: typeof Object(-0) === "object". Actual: ' + (typeof Object(-0)));
 }
 
 // CHECK#6
 if (Object(-0).constructor.prototype !== Number.prototype) {
-  $ERROR('#6: Object(-0).constructor.prototype === Number.prototype. Actual: ' + (Object(-0).constructor.prototype));
+  throw new Test262Error('#6: Object(-0).constructor.prototype === Number.prototype. Actual: ' + (Object(-0).constructor.prototype));
 }
 
 // CHECK#7
 if (Object(1).valueOf() !== 1) {
-  $ERROR('#7: Object(1).valueOf() === 1. Actual: ' + (Object(1).valueOf()));
+  throw new Test262Error('#7: Object(1).valueOf() === 1. Actual: ' + (Object(1).valueOf()));
 }
 
 // CHECK#8
 if (typeof Object(1) !== "object") {
-  $ERROR('#8: typeof Object(1) === "object". Actual: ' + (typeof Object(1)));
+  throw new Test262Error('#8: typeof Object(1) === "object". Actual: ' + (typeof Object(1)));
 }
 
 // CHECK#9
 if (Object(1).constructor.prototype !== Number.prototype) {
-  $ERROR('#9: Object(1).constructor.prototype === Number.prototype. Actual: ' + (Object(1).constructor.prototype));
+  throw new Test262Error('#9: Object(1).constructor.prototype === Number.prototype. Actual: ' + (Object(1).constructor.prototype));
 }
 
 // CHECK#10
 if (Object(-1).valueOf() !== -1) {
-  $ERROR('#10: Object(-1).valueOf() === -1. Actual: ' + (Object(-1).valueOf()));
+  throw new Test262Error('#10: Object(-1).valueOf() === -1. Actual: ' + (Object(-1).valueOf()));
 }
 
 // CHECK#11
 if (typeof Object(-1) !== "object") {
-  $ERROR('#11: typeof Object(-1) === "object". Actual: ' + (typeof Object(-1)));
+  throw new Test262Error('#11: typeof Object(-1) === "object". Actual: ' + (typeof Object(-1)));
 }
 
 // CHECK#12
 if (Object(-1).constructor.prototype !== Number.prototype) {
-  $ERROR('#12: Object(-1).constructor.prototype === Number.prototype. Actual: ' + (Object(-1).constructor.prototype));
+  throw new Test262Error('#12: Object(-1).constructor.prototype === Number.prototype. Actual: ' + (Object(-1).constructor.prototype));
 }
 
 // CHECK#13
 if (Object(Number.MIN_VALUE).valueOf() !== Number.MIN_VALUE) {
-  $ERROR('#13: Object(Number.MIN_VALUE).valueOf() === Number.MIN_VALUE. Actual: ' + (Object(Number.MIN_VALUE).valueOf()));
+  throw new Test262Error('#13: Object(Number.MIN_VALUE).valueOf() === Number.MIN_VALUE. Actual: ' + (Object(Number.MIN_VALUE).valueOf()));
 }
 
 // CHECK#14
 if (typeof Object(Number.MIN_VALUE) !== "object") {
-  $ERROR('#14: typeof Object(Number.MIN_VALUE) === "object". Actual: ' + (typeof Object(Number.MIN_VALUE)));
+  throw new Test262Error('#14: typeof Object(Number.MIN_VALUE) === "object". Actual: ' + (typeof Object(Number.MIN_VALUE)));
 }
 
 // CHECK#15
 if (Object(Number.MIN_VALUE).constructor.prototype !== Number.prototype) {
-  $ERROR('#15: Object(Number.MIN_VALUE).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.MIN_VALUE).constructor.prototype));
+  throw new Test262Error('#15: Object(Number.MIN_VALUE).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.MIN_VALUE).constructor.prototype));
 }
 
 // CHECK#16
 if (Object(Number.MAX_VALUE).valueOf() !== Number.MAX_VALUE) {
-  $ERROR('#16: Object(Number.MAX_VALUE).valueOf() === Number.MAX_VALUE. Actual: ' + (Object(Number.MAX_VALUE).valueOf()));
+  throw new Test262Error('#16: Object(Number.MAX_VALUE).valueOf() === Number.MAX_VALUE. Actual: ' + (Object(Number.MAX_VALUE).valueOf()));
 }
 
 // CHECK#17
 if (typeof Object(Number.MAX_VALUE) !== "object") {
-  $ERROR('#17: typeof Object(Number.MAX_VALUE) === "object". Actual: ' + (typeof Object(Number.MAX_VALUE)));
+  throw new Test262Error('#17: typeof Object(Number.MAX_VALUE) === "object". Actual: ' + (typeof Object(Number.MAX_VALUE)));
 }
 
 // CHECK#18
 if (Object(Number.MAX_VALUE).constructor.prototype !== Number.prototype) {
-  $ERROR('#18: Object(Number.MAX_VALUE).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.MAX_VALUE).constructor.prototype));
+  throw new Test262Error('#18: Object(Number.MAX_VALUE).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.MAX_VALUE).constructor.prototype));
 }
 
 // CHECK#19
 if (Object(Number.POSITIVE_INFINITY).valueOf() !== Number.POSITIVE_INFINITY) {
-  $ERROR('#19: Object(Number.POSITIVE_INFINITY).valueOf() === Number.POSITIVE_INFINITY. Actual: ' + (Object(Number.POSITIVE_INFINITY).valueOf()));
+  throw new Test262Error('#19: Object(Number.POSITIVE_INFINITY).valueOf() === Number.POSITIVE_INFINITY. Actual: ' + (Object(Number.POSITIVE_INFINITY).valueOf()));
 }
 
 // CHECK#20
 if (typeof Object(Number.POSITIVE_INFINITY) !== "object") {
-  $ERROR('#20: typeof Object(Number.POSITIVE_INFINITY) === "object". Actual: ' + (typeof Object(Number.POSITIVE_INFINITY)));
+  throw new Test262Error('#20: typeof Object(Number.POSITIVE_INFINITY) === "object". Actual: ' + (typeof Object(Number.POSITIVE_INFINITY)));
 }
 
 // CHECK#21
 if (Object(Number.POSITIVE_INFINITY).constructor.prototype !== Number.prototype) {
-  $ERROR('#21: Object(Number.POSITIVE_INFINITY).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.POSITIVE_INFINITY).constructor.prototype));
+  throw new Test262Error('#21: Object(Number.POSITIVE_INFINITY).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.POSITIVE_INFINITY).constructor.prototype));
 }
 
 // CHECK#22
 if (Object(Number.NEGATIVE_INFINITY).valueOf() !== Number.NEGATIVE_INFINITY) {
-  $ERROR('#22: Object(Number.NEGATIVE_INFINITY).valueOf() === Number.NEGATIVE_INFINITY. Actual: ' + (Object(Number.NEGATIVE_INFINITY).valueOf()));
+  throw new Test262Error('#22: Object(Number.NEGATIVE_INFINITY).valueOf() === Number.NEGATIVE_INFINITY. Actual: ' + (Object(Number.NEGATIVE_INFINITY).valueOf()));
 }
 
 // CHECK#23
 if (typeof Object(Number.NEGATIVE_INFINITY) !== "object") {
-  $ERROR('#23: typeof Object(Number.NEGATIVE_INFINITY) === "object". Actual: ' + (typeof Object(Number.NEGATIVE_INFINITY)));
+  throw new Test262Error('#23: typeof Object(Number.NEGATIVE_INFINITY) === "object". Actual: ' + (typeof Object(Number.NEGATIVE_INFINITY)));
 }
 
 // CHECK#24
 if (Object(Number.NEGATIVE_INFINITY).constructor.prototype !== Number.prototype) {
-  $ERROR('#24: Object(Number.NEGATIVE_INFINITY).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.NEGATIVE_INFINITY).constructor.prototype));
+  throw new Test262Error('#24: Object(Number.NEGATIVE_INFINITY).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.NEGATIVE_INFINITY).constructor.prototype));
 }
 
 // CHECK#25
@@ -136,40 +136,40 @@ assert.sameValue(Object(NaN).valueOf(), NaN, "Object(NaN).valueOf()");
 
 // CHECK#26
 if (typeof Object(Number.NaN) !== "object") {
-  $ERROR('#26: typeof Object(Number.NaN) === "object". Actual: ' + (typeof Object(Number.NaN)));
+  throw new Test262Error('#26: typeof Object(Number.NaN) === "object". Actual: ' + (typeof Object(Number.NaN)));
 }
 
 // CHECK#27
 if (Object(Number.NaN).constructor.prototype !== Number.prototype) {
-  $ERROR('#27: Object(Number.NaN).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.NaN).constructor.prototype));
+  throw new Test262Error('#27: Object(Number.NaN).constructor.prototype === Number.prototype. Actual: ' + (Object(Number.NaN).constructor.prototype));
 }
 
 // CHECK#28
 if (Object(1.2345).valueOf() !== 1.2345) {
-  $ERROR('#28: Object(1.2345).valueOf() === 1.2345. Actual: ' + (Object(1.2345).valueOf()));
+  throw new Test262Error('#28: Object(1.2345).valueOf() === 1.2345. Actual: ' + (Object(1.2345).valueOf()));
 }
 
 // CHECK#29
 if (typeof Object(1.2345) !== "object") {
-  $ERROR('#29: typeof Object(1.2345) === "object". Actual: ' + (typeof Object(1.2345)));
+  throw new Test262Error('#29: typeof Object(1.2345) === "object". Actual: ' + (typeof Object(1.2345)));
 }
 
 // CHECK#30
 if (Object(1.2345).constructor.prototype !== Number.prototype) {
-  $ERROR('#30: Object(1.2345).constructor.prototype === Number.prototype. Actual: ' + (Object(1.2345).constructor.prototype));
+  throw new Test262Error('#30: Object(1.2345).constructor.prototype === Number.prototype. Actual: ' + (Object(1.2345).constructor.prototype));
 }
 
 // CHECK#31
 if (Object(-1.2345).valueOf() !== -1.2345) {
-  $ERROR('#31: Object(-1.2345).valueOf() === -1.2345. Actual: ' + (Object(-1.2345).valueOf()));
+  throw new Test262Error('#31: Object(-1.2345).valueOf() === -1.2345. Actual: ' + (Object(-1.2345).valueOf()));
 }
 
 // CHECK#32
 if (typeof Object(-1.2345) !== "object") {
-  $ERROR('#32: typeof Object(-1.2345) === "object". Actual: ' + (typeof Object(-1.2345)));
+  throw new Test262Error('#32: typeof Object(-1.2345) === "object". Actual: ' + (typeof Object(-1.2345)));
 }
 
 // CHECK#33
 if (Object(-1.2345).constructor.prototype !== Number.prototype) {
-  $ERROR('#33: Object(-1.2345).constructor.prototype === Number.prototype. Actual: ' + (Object(-1.2345).constructor.prototype));
+  throw new Test262Error('#33: Object(-1.2345).constructor.prototype === Number.prototype. Actual: ' + (Object(-1.2345).constructor.prototype));
 }
diff --git a/test/built-ins/Object/S9.9_A5.js b/test/built-ins/Object/S9.9_A5.js
index a303eafc9f..32c7744775 100644
--- a/test/built-ins/Object/S9.9_A5.js
+++ b/test/built-ins/Object/S9.9_A5.js
@@ -11,60 +11,60 @@ description: Converting from various strings to Object
 
 // CHECK#1
 if (Object("some string").valueOf() !== "some string") {
-  $ERROR('#1: Object("some string").valueOf() === "some string". Actual: ' + (Object("some string").valueOf()));
+  throw new Test262Error('#1: Object("some string").valueOf() === "some string". Actual: ' + (Object("some string").valueOf()));
 }
 
 // CHECK#2
 if (typeof Object("some string") !== "object") {
-  $ERROR('#2: typeof Object("some string") === "object". Actual: ' + (typeof Object("some string")));
+  throw new Test262Error('#2: typeof Object("some string") === "object". Actual: ' + (typeof Object("some string")));
 }
 
 // CHECK#3
 if (Object("some string").constructor.prototype !== String.prototype) {
-  $ERROR('#3: Object("some string").constructor.prototype === String.prototype. Actual: ' + (Object("some string").constructor.prototype));
+  throw new Test262Error('#3: Object("some string").constructor.prototype === String.prototype. Actual: ' + (Object("some string").constructor.prototype));
 }
 
 // CHECK#4
 if (Object("").valueOf() !== "") {
-  $ERROR('#4: Object("").valueOf() === false. Actual: ' + (Object("").valueOf()));
+  throw new Test262Error('#4: Object("").valueOf() === false. Actual: ' + (Object("").valueOf()));
 }
 
 // CHECK#5
 if (typeof Object("") !== "object") {
-  $ERROR('#5: typeof Object("") === "object". Actual: ' + (typeof Object("")));
+  throw new Test262Error('#5: typeof Object("") === "object". Actual: ' + (typeof Object("")));
 }
 
 // CHECK#6
 if (Object("").constructor.prototype !== String.prototype) {
-  $ERROR('#6: Object("").constructor.prototype === String.prototype. Actual: ' + (Object("").constructor.prototype));
+  throw new Test262Error('#6: Object("").constructor.prototype === String.prototype. Actual: ' + (Object("").constructor.prototype));
 }
 
 // CHECK#7
 if (Object("\r\t\b\n\v\f").valueOf() !== "\r\t\b\n\v\f") {
-  $ERROR('#7: Object("\\r\\t\\b\\n\\v\\f").valueOf() === false. Actual: ' + (Object("\r\t\b\n\v\f").valueOf()));
+  throw new Test262Error('#7: Object("\\r\\t\\b\\n\\v\\f").valueOf() === false. Actual: ' + (Object("\r\t\b\n\v\f").valueOf()));
 }
 
 // CHECK#8
 if (typeof Object("\r\t\b\n\v\f") !== "object") {
-  $ERROR('#8: typeof Object("\\r\\t\\b\\n\\v\\f") === "object". Actual: ' + (typeof Object("\r\t\b\n\v\f")));
+  throw new Test262Error('#8: typeof Object("\\r\\t\\b\\n\\v\\f") === "object". Actual: ' + (typeof Object("\r\t\b\n\v\f")));
 }
 
 // CHECK#9
 if (Object("\r\t\b\n\v\f").constructor.prototype !== String.prototype) {
-  $ERROR('#9: Object("\\r\\t\\b\\n\\v\\f").constructor.prototype === String.prototype. Actual: ' + (Object("\r\t\b\n\v\f").constructor.prototype));
+  throw new Test262Error('#9: Object("\\r\\t\\b\\n\\v\\f").constructor.prototype === String.prototype. Actual: ' + (Object("\r\t\b\n\v\f").constructor.prototype));
 }
 
 // CHECK#10
 if (Object(String(10)).valueOf() !== "10") {
-  $ERROR('#10: Object(String(10)).valueOf() === false. Actual: ' + (Object(String(10)).valueOf()));
+  throw new Test262Error('#10: Object(String(10)).valueOf() === false. Actual: ' + (Object(String(10)).valueOf()));
 }
 
 // CHECK#11
 if (typeof Object(String(10)) !== "object") {
-  $ERROR('#11: typeof Object(String(10)) === "object". Actual: ' + (typeof Object(String(10))));
+  throw new Test262Error('#11: typeof Object(String(10)) === "object". Actual: ' + (typeof Object(String(10))));
 }
 
 // CHECK#12
 if (Object(String(10)).constructor.prototype !== String.prototype) {
-  $ERROR('#12: Object(String(10)).constructor.prototype === String.prototype. Actual: ' + (Object(String(10)).constructor.prototype));
+  throw new Test262Error('#12: Object(String(10)).constructor.prototype === String.prototype. Actual: ' + (Object(String(10)).constructor.prototype));
 }
diff --git a/test/built-ins/Object/S9.9_A6.js b/test/built-ins/Object/S9.9_A6.js
index 566177e3ac..15bfe5b0dd 100644
--- a/test/built-ins/Object/S9.9_A6.js
+++ b/test/built-ins/Object/S9.9_A6.js
@@ -21,21 +21,21 @@ var y = Object(x);
 
 // CHECK#1
 if (y.valueOf() !== x.valueOf()) {
-  $ERROR('#1: Object(obj).valueOf() === obj.valueOf(). Actual: ' + (Object(obj).valueOf()));
+  throw new Test262Error('#1: Object(obj).valueOf() === obj.valueOf(). Actual: ' + (Object(obj).valueOf()));
 }
 
 // CHECK#2
 if (typeof y !== typeof x) {
-  $ERROR('#2: typeof Object(obj) === typeof obj. Actual: ' + (typeof Object(obj)));
+  throw new Test262Error('#2: typeof Object(obj) === typeof obj. Actual: ' + (typeof Object(obj)));
 }
 
 // CHECK#3
 if (y.constructor.prototype !== x.constructor.prototype) {
-  $ERROR('#3: Object(obj).constructor.prototype === obj.constructor.prototype. Actual: ' + (Object(obj).constructor.prototype));
+  throw new Test262Error('#3: Object(obj).constructor.prototype === obj.constructor.prototype. Actual: ' + (Object(obj).constructor.prototype));
 }
 
 
 // CHECK#4
 if (y !== x) {
-  $ERROR('#4: Object(obj) === obj');
+  throw new Test262Error('#4: Object(obj) === obj');
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-2-18.js b/test/built-ins/Object/defineProperties/15.2.3.7-2-18.js
index 01f658dfec..0ee156d1d8 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-2-18.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-2-18.js
@@ -25,7 +25,7 @@ try {
   Object.defineProperties(obj, this);
 } catch (e) {
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
   result = true;
 } finally {
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114-b.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114-b.js
index 3d5a76ff0a..1b69a370d5 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114-b.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114-b.js
@@ -17,7 +17,7 @@ Object.defineProperties(arr, {
 });
 
 if (arr.length !== 0) {
-  $ERROR("Expected arr.length to be 0, actually " + arr.length);
+  throw new Test262Error("Expected arr.length to be 0, actually " + arr.length);
 }
 
 verifyEqualTo(arr, "length", 0);
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114.js
index f696eab099..5e203a7b6a 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-114.js
@@ -17,7 +17,7 @@ Object.defineProperties(arr, {
 });
 
 if (arr.length !== 0) {
-  $ERROR("Expected arr.length to be 0, actually " + arr.length);
+  throw new Test262Error("Expected arr.length to be 0, actually " + arr.length);
 }
 
 arr.length = 2;
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-12.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-12.js
index 62e92a46bc..1528a8698e 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-12.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-12.js
@@ -24,7 +24,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(fun, "prop", 11);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(fun, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-13.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-13.js
index ea15dcbf4e..f0fcc73b50 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-13.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-13.js
@@ -23,7 +23,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "prop", 11);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(arr, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-14.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-14.js
index a07faad547..624ae86535 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-14.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-14.js
@@ -23,7 +23,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(str, "prop", 11);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(str, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-15.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-15.js
index 510ef8b41a..be64d29528 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-15.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-15.js
@@ -24,7 +24,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "prop", 11);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(obj, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-16.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-16.js
index 61769efc52..085080bf97 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-16.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-16.js
@@ -24,7 +24,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "prop", 11);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(obj, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-164.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-164.js
index af2cbd543b..eb4f1f84c3 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-164.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-164.js
@@ -28,7 +28,7 @@ try {
     }
   });
 
-  $ERROR("expected to throw TypeError")
+  throw new Test262Error("expected to throw TypeError")
 } catch (e) {
   assert(e instanceof TypeError);
   assert.sameValue(arr.length, 2);
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-176.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-176.js
index 228c529c10..007c3758f5 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-176.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-176.js
@@ -28,7 +28,7 @@ try {
     }
   });
 
-  $ERROR("Expected to throw TypeError");
+  throw new Test262Error("Expected to throw TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
   assert(arr.hasOwnProperty("1"));
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-18.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-18.js
index fdba2202b2..6211c04805 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-18.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-18.js
@@ -24,7 +24,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "prop", 11);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(obj, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-19.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-19.js
index 262f370b77..262c39b426 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-19.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-19.js
@@ -24,7 +24,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "prop", 11);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(obj, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-204.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-204.js
index c120b0c916..4a00ccd71b 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-204.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-204.js
@@ -28,7 +28,7 @@ Object.defineProperties(arr, {
 });
 
 if (!Object.prototype.hasOwnProperty.call(arr, "0")) {
-  $ERROR("Expected hasOwnProperty to return true.");
+  throw new Test262Error("Expected hasOwnProperty to return true.");
 }
 
 arr[0] = 101;
@@ -36,7 +36,7 @@ arr[0] = 101;
 verifyEqualTo(arr, 0, 101);
 
 if (arr.verifySetter !== 101) {
-  $ERROR('Expected arr.verifySetter === 101, actually ' + arr.verifySetter);
+  throw new Test262Error('Expected arr.verifySetter === 101, actually ' + arr.verifySetter);
 }
 
 verifyNotConfigurable(arr, 0);
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-21.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-21.js
index f516ad3d05..56cf493bb8 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-21.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-21.js
@@ -24,7 +24,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "prop", 11);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(obj, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-213.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-213.js
index 2050822962..a925936e72 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-213.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-213.js
@@ -22,7 +22,7 @@ try {
       value: +0
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "0", -0);
 
@@ -33,7 +33,7 @@ try {
   verifyNotConfigurable(arr, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-214.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-214.js
index 0492fc9891..b44d5b8ed3 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-214.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-214.js
@@ -22,7 +22,7 @@ try {
       value: -0
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "0", +0);
 
@@ -33,7 +33,7 @@ try {
   verifyNotConfigurable(arr, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-227.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-227.js
index 653550a213..4ba4881d5d 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-227.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-227.js
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-228.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-228.js
index a250ae9d82..792f72d878 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-228.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-228.js
@@ -29,7 +29,7 @@ try {
       enumerable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", 3);
 
@@ -40,7 +40,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-229.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-229.js
index af726bb472..1269a27715 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-229.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-229.js
@@ -30,7 +30,7 @@ try {
       value: 13
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 
 } catch (e) {
   verifyWritable(arr, "1", "setVerifyHelpProp");
@@ -40,7 +40,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-230.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-230.js
index f736890864..ad7611baff 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-230.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-230.js
@@ -25,7 +25,7 @@ try {
       set: function() {}
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", 3);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-233.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-233.js
index 3980d3d268..32191889e1 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-233.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-233.js
@@ -28,7 +28,7 @@ try {
       writable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", undefined);
 
@@ -39,7 +39,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-234.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-234.js
index a9e97ed641..ceb0167227 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-234.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-234.js
@@ -30,7 +30,7 @@ try {
       value: "abc"
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", 3);
 
@@ -41,7 +41,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-235.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-235.js
index 6b05968e0d..61e29220e9 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-235.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-235.js
@@ -24,7 +24,7 @@ try {
       value: -0
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", +0);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-236.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-236.js
index d8a49387c8..66139db54b 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-236.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-236.js
@@ -25,7 +25,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", -0);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-237.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-237.js
index b0d4a4ca9b..23ab2ffb3b 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-237.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-237.js
@@ -26,7 +26,7 @@ try {
       value: 36
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", 12);
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-238.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-238.js
index 2874c575ff..4a16a4df46 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-238.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-238.js
@@ -25,7 +25,7 @@ try {
       value: "efgh"
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", "abcd");
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-239.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-239.js
index 491f525f55..698cea70dd 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-239.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-239.js
@@ -26,7 +26,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", true);
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-240.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-240.js
index 36c03a7689..c10e41ba8b 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-240.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-240.js
@@ -32,7 +32,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", obj1);
 
@@ -43,7 +43,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-241.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-241.js
index 74406da4a0..f2cde48b8b 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-241.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-241.js
@@ -30,7 +30,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arr, "1", "setVerifyHelpProp");
 
@@ -39,7 +39,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-242.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-242.js
index 814abc3ece..1fe4e44ae7 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-242.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-242.js
@@ -29,7 +29,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arr, "1", "setVerifyHelpProp");
 
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-244.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-244.js
index 7d465cd8a0..90fff2b203 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-244.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-244.js
@@ -32,7 +32,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", get_fun());
 
@@ -41,7 +41,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-245.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-245.js
index c4037f25de..fbc583fa37 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-245.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-245.js
@@ -28,7 +28,7 @@ try {
       get: undefined
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "1", get_fun());
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arr, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-266.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-266.js
index 886cbecff9..cbce8d5bf7 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-266.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-266.js
@@ -31,5 +31,5 @@ verifyEnumerable(arr, "property");
 verifyConfigurable(arr, "property");
 
 if (arr.length !== 0) {
-  $ERROR('Expected arr.length === 0, actually ' + arr.length);
+  throw new Test262Error('Expected arr.length === 0, actually ' + arr.length);
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-267.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-267.js
index 3a2ac372d4..f94f5f1a64 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-267.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-267.js
@@ -38,5 +38,5 @@ verifyEnumerable(arr, "property");
 verifyConfigurable(arr, "property");
 
 if (arr.length !== 0) {
-  $ERROR('Expected arr.length === 0, actually ' + arr.length);
+  throw new Test262Error('Expected arr.length === 0, actually ' + arr.length);
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-269.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-269.js
index 5a5f33fbb9..d30054d9b3 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-269.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-269.js
@@ -30,5 +30,5 @@ verifyNotEnumerable(arr, "property");
 verifyNotConfigurable(arr, "property");
 
 if (arr.length !== 0) {
-  $ERROR('Expected arr.length === 0, actually ' + arr.length);
+  throw new Test262Error('Expected arr.length === 0, actually ' + arr.length);
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-270.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-270.js
index 128bdf8be0..f2f485c782 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-270.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-270.js
@@ -24,7 +24,7 @@ try {
       value: 36
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "property", 12);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-271.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-271.js
index 00e6605b9e..c741cfb05b 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-271.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-271.js
@@ -24,7 +24,7 @@ try {
       writable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "property", undefined);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-272.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-272.js
index deacff5007..ac12088789 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-272.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-272.js
@@ -25,7 +25,7 @@ try {
       enumerable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "property", 12);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-273.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-273.js
index c300e411d3..bbca771f61 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-273.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-273.js
@@ -24,7 +24,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "property", 12);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-274.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-274.js
index 8d1baaab96..f107fe0f7e 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-274.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-274.js
@@ -33,7 +33,7 @@ try {
       }
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arr, "property", get_fun());
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-275.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-275.js
index 1dbc7bb0f4..666ad88998 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-275.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-275.js
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-276.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-276.js
index 5da3d5c05e..52a568c740 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-276.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-276.js
@@ -28,7 +28,7 @@ try {
       enumerable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arr, "property", "setVerifyHelpProp");
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-277.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-277.js
index c77ec6b477..0f6ea49723 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-277.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-277.js
@@ -28,7 +28,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arr, "property", "setVerifyHelpProp");
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arr, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-28.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-28.js
index ec6f4a5876..cd9e4cab81 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-28.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-28.js
@@ -21,9 +21,9 @@ Object.defineProperties(obj, {
 verifyNotWritable(obj, "prop");
 
 if (!obj.hasOwnProperty("prop")) {
-  $ERROR('Expected obj.hasOwnProperty("prop") to be true, actually ' + obj.hasOwnProperty("prop"));
+  throw new Test262Error('Expected obj.hasOwnProperty("prop") to be true, actually ' + obj.hasOwnProperty("prop"));
 }
 
 if (obj.prop !== 1001) {
-  $ERROR('Expected obj.prop === 1001, actually ' + obj.prop);
+  throw new Test262Error('Expected obj.prop === 1001, actually ' + obj.prop);
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-282.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-282.js
index 01c1bdf287..60fcebb7f0 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-282.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-282.js
@@ -32,7 +32,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -43,7 +43,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js
index a00a24558f..1d732bd165 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js
@@ -33,7 +33,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-284.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-284.js
index b7401b4e2e..09dc8321c8 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-284.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-284.js
@@ -33,7 +33,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-285.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-285.js
index 80f05bf0fc..9745ad05c2 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-285.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-285.js
@@ -33,7 +33,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-288.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-288.js
index 0bcc9bc3e2..8e927ac411 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-288.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-288.js
@@ -36,7 +36,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", get_func());
 
@@ -45,7 +45,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-289.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-289.js
index 42169d9c87..acff19c589 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-289.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-289.js
@@ -36,7 +36,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", get_func());
 
@@ -45,7 +45,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-294.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-294.js
index 13b0269da1..6303b8d268 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-294.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-294.js
@@ -32,7 +32,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -43,7 +43,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-295.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-295.js
index 42dc477b56..cb23c9ca14 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-295.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-295.js
@@ -33,7 +33,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-296.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-296.js
index 7be2e646ee..315f1d04b8 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-296.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-296.js
@@ -33,7 +33,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-297.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-297.js
index e59a4f51bc..c457452922 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-297.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-297.js
@@ -33,7 +33,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", 0);
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-298.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-298.js
index 5247a1c023..e22e4d2d8d 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-298.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-298.js
@@ -38,7 +38,7 @@ try {
       get: get_func2
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", get_func1());
 
@@ -47,7 +47,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-299.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-299.js
index f8483571d3..92269ed324 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-299.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-299.js
@@ -39,7 +39,7 @@ try {
       set: set_func
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", get_func());
 
@@ -48,7 +48,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-30.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-30.js
index 56f43b86f6..7684d352e2 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-30.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-30.js
@@ -22,9 +22,9 @@ Object.defineProperties(obj, {
 verifyNotConfigurable(obj, "prop");
 
 if (!obj.hasOwnProperty("prop")) {
-  $ERROR('Expected obj.hasOwnProperty("prop") to be true, actually ' + obj.hasOwnProperty("prop"));
+  throw new Test262Error('Expected obj.hasOwnProperty("prop") to be true, actually ' + obj.hasOwnProperty("prop"));
 }
 
 if (obj.prop !== 1001) {
-  $ERROR('Expected obj.prop === 1001, actually ' + obj.prop);
+  throw new Test262Error('Expected obj.prop === 1001, actually ' + obj.prop);
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-300.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-300.js
index 1042edc13b..236d48c3af 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-300.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-300.js
@@ -35,7 +35,7 @@ try {
       enumerable: false
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", get_func());
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-301.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-301.js
index 686311e13c..14a7e84966 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-301.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-301.js
@@ -35,7 +35,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "0", get_func());
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(arg, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-306.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-306.js
index 14968edc0a..bf7b3bd55c 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-306.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-306.js
@@ -28,7 +28,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "genericProperty", 1001);
 
@@ -39,7 +39,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-307.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-307.js
index f4309ee3ad..0a484a6122 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-307.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-307.js
@@ -27,7 +27,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "genericProperty", undefined);
 
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-308.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-308.js
index 6052175b1a..ea3ac1cd98 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-308.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-308.js
@@ -27,7 +27,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "genericProperty", undefined);
 
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-309.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-309.js
index 2ec2e38b73..d53d9cccf8 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-309.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-309.js
@@ -26,7 +26,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "genericProperty", undefined);
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-310.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-310.js
index 6c252eac44..27a6b2a157 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-310.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-310.js
@@ -37,7 +37,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arg, "genericProperty", getFun());
 
@@ -48,7 +48,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-311.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-311.js
index eacfb495e1..cdc89b7747 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-311.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-311.js
@@ -32,7 +32,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arg, "genericProperty", "genericPropertyString");
 
@@ -41,7 +41,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-312.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-312.js
index 331f6565f2..9f9ed9ba94 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-312.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-312.js
@@ -31,7 +31,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arg, "genericProperty", "genericPropertyString");
 
@@ -40,7 +40,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-313.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-313.js
index 17291265a7..d305aff7af 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-313.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-313.js
@@ -30,7 +30,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arg, "genericProperty", "genericPropertyString");
 
@@ -39,7 +39,7 @@ try {
   verifyNotConfigurable(arg, "genericProperty");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-45.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-45.js
index bda21bfe23..f39be696be 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-45.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-45.js
@@ -23,7 +23,7 @@ try {
       value: +0
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", -0);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-46.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-46.js
index 1a7348c643..e262de7bad 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-46.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-46.js
@@ -23,7 +23,7 @@ try {
       value: -0
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", +0);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-5.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-5.js
index 6159e5341f..9953e89c6b 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-5.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-5.js
@@ -27,7 +27,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "prop", getFunc());
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-65.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-65.js
index 96f9243e64..fa9eb71198 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-65.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-65.js
@@ -23,7 +23,7 @@ try {
       configurable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66-1.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66-1.js
index 1295aa86f5..a26b0fd573 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66-1.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66-1.js
@@ -25,7 +25,7 @@ try {
       enumerable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66.js
index 7029437054..35b451e5e1 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-66.js
@@ -25,7 +25,7 @@ try {
       enumerable: false
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-67.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-67.js
index 94d360b5e0..9acb0e6a9e 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-67.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-67.js
@@ -28,7 +28,7 @@ try {
     }
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
   verifyNotEnumerable(obj, "foo");
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-68.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-68.js
index 8a5b27f21b..e6be1b6ed4 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-68.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-68.js
@@ -28,7 +28,7 @@ try {
       get: get_func
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -39,7 +39,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-71.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-71.js
index 4b1fa51835..e08154b335 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-71.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-71.js
@@ -25,7 +25,7 @@ try {
       writable: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-72.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-72.js
index 45b00d5b29..215e5ac51e 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-72.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-72.js
@@ -26,7 +26,7 @@ try {
       value: 20
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-76.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-76.js
index 9bc65e0567..985c00c0d2 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-76.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-76.js
@@ -25,7 +25,7 @@ try {
       value: +0
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", -0);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-77.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-77.js
index bdda83d93f..99b179f557 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-77.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-77.js
@@ -25,7 +25,7 @@ try {
       value: -0
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", +0);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-79.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-79.js
index e364fa6038..31a2cc9a09 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-79.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-79.js
@@ -25,7 +25,7 @@ try {
       value: 20
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-81.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-81.js
index 99a88342da..e1a84a03e7 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-81.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-81.js
@@ -25,7 +25,7 @@ try {
       value: "defg"
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", "abcd");
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-83.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-83.js
index 6288ea2b3c..3f063fccbd 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-83.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-83.js
@@ -25,7 +25,7 @@ try {
       value: true
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", false);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-85.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-85.js
index 9ff21468b2..2d3149c789 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-85.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-85.js
@@ -33,7 +33,7 @@ try {
       value: obj2
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", obj1);
 
@@ -44,7 +44,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-86-1.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-86-1.js
index 120d7ecce6..2a29e46e44 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-86-1.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-86-1.js
@@ -41,7 +41,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-87.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-87.js
index 13dbde09c8..fca6320e52 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-87.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-87.js
@@ -30,7 +30,7 @@ try {
       set: set_func2
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(obj, "foo", "setVerifyHelpProp");
 
@@ -39,7 +39,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-88.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-88.js
index bc961e8ffa..1844e92d61 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-88.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-88.js
@@ -32,7 +32,7 @@ try {
       set: set_Func
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyNotEnumerable(obj, "foo");
 
@@ -40,12 +40,12 @@ try {
   var desc = Object.getOwnPropertyDescriptor(obj, "foo");
 
   if (typeof(desc.set) !== "undefined") {
-    $ERROR('Expected typeof (desc.set) === "undefined", actually ' + typeof(desc.set));
+    throw new Test262Error('Expected typeof (desc.set) === "undefined", actually ' + typeof(desc.set));
   }
 
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-89.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-89.js
index 0c2d713de0..4610c88e66 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-89.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-89.js
@@ -37,5 +37,5 @@ verifyNotConfigurable(obj, "foo");
 var desc = Object.getOwnPropertyDescriptor(obj, "foo");
 
 if (typeof(desc.set) !== "undefined") {
-  $ERROR('Expected typeof (desc.set) === "undefined", actually ' + typeof(desc.set));
+  throw new Test262Error('Expected typeof (desc.set) === "undefined", actually ' + typeof(desc.set));
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-91.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-91.js
index ec80c007b3..a7d84ae0cf 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-91.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-91.js
@@ -38,7 +38,7 @@ try {
       get: get_func2
     }
   });
-  $ERROR("Expected an exception");
+  throw new Test262Error("Expected an exception");
 } catch (e) {
   verifyEqualTo(obj, "foo", get_func1());
 
@@ -49,7 +49,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-92.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-92.js
index 2af77cd282..882fb4a1ff 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-92.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-92.js
@@ -34,7 +34,7 @@ try {
       get: get_func
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(obj, "foo", "setVerifyHelpProp");
 
@@ -43,7 +43,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-1.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-1.js
index 2b77c05dba..d235be5f5d 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-1.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-1.js
@@ -36,7 +36,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "property", 1002);
 
@@ -54,7 +54,7 @@ try {
   verifyNotConfigurable(obj, "property1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-2.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-2.js
index ccab6d7e8e..8f20c0ff53 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-2.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-2.js
@@ -36,7 +36,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "0", 1002);
 
@@ -54,7 +54,7 @@ try {
   verifyNotConfigurable(obj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-3.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-3.js
index 040fd17b3f..ee208d1d53 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-3.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-3.js
@@ -35,7 +35,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "property", 1001);
 
@@ -54,7 +54,7 @@ try {
   verifyConfigurable(obj, "property1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-4.js b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-4.js
index 3f871066b1..881fec60d1 100644
--- a/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-4.js
+++ b/test/built-ins/Object/defineProperties/15.2.3.7-6-a-93-4.js
@@ -35,7 +35,7 @@ try {
     }
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "0", 1001);
 
@@ -53,7 +53,7 @@ try {
   verifyConfigurable(obj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-190.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-190.js
index 098e05861c..41014a62f7 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-190.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-190.js
@@ -22,7 +22,7 @@ try {
   Object.defineProperty(arrObj, 0, {
     configurable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", "ownDataProperty");
 
@@ -33,6 +33,6 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-191.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-191.js
index 1b4fb59bdd..419e994283 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-191.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-191.js
@@ -22,13 +22,13 @@ try {
   });
 
   if (!arrObj.hasOwnProperty("0")) {
-    $ERROR("Expected arrObj.hasOwnProperty('0') === true, actually " + arrObj.hasOwnProperty("0"));
+    throw new Test262Error("Expected arrObj.hasOwnProperty('0') === true, actually " + arrObj.hasOwnProperty("0"));
   }
   if (Array.prototype[0] !== 11) {
-    $ERROR("Expected Array.prototype[0] === 11), actually " + Array.prototype[0]);
+    throw new Test262Error("Expected Array.prototype[0] === 11), actually " + Array.prototype[0]);
   }
   if (typeof arrObj[0] !== "undefined") {
-    $ERROR("Expected typeof arrObj[0] === 'undefined'), actually " + typeof arrObj[0]);
+    throw new Test262Error("Expected typeof arrObj[0] === 'undefined'), actually " + typeof arrObj[0]);
   }
 
 } finally {
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-194.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-194.js
index 990f8f92bc..2bbd215e26 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-194.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-194.js
@@ -25,7 +25,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     configurable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", getFunc());
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e.name);
+    throw new Test262Error("Expected TypeError, got " + e.name);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-214.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-214.js
index eacdbcdc47..be41ec4109 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-214.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-214.js
@@ -24,7 +24,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     value: "abc"
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", 101);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-218.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-218.js
index c81c6c0555..346045a403 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-218.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-218.js
@@ -21,7 +21,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     value: +0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", -0);
 
@@ -32,7 +32,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-219.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-219.js
index d2f045ce58..28624b02f9 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-219.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-219.js
@@ -21,7 +21,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     value: -0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", +0);
 
@@ -32,7 +32,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-221.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-221.js
index d2a4ae6adb..3bc3554501 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-221.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-221.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     value: 123
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", 101);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-223.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-223.js
index 03029236f2..2fd286ba29 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-223.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-223.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     value: "fghj"
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", "abcd");
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-225.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-225.js
index c2da23fe64..f988e61f52 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-225.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-225.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     value: false
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", true);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-227.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-227.js
index 7eabcaaad3..5acc07bb1c 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-227.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-227.js
@@ -30,7 +30,7 @@ try {
   Object.defineProperty(arrObj, "0", {
     value: obj2
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "0", obj1);
 
@@ -41,7 +41,7 @@ try {
   verifyNotConfigurable(arrObj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-238.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-238.js
index bbcac3d555..c68c3e635d 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-238.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-238.js
@@ -26,7 +26,7 @@ try {
     writable: true,
     configurable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 
 } catch (e) {
   verifyEqualTo(arrObj, "1", 3);
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-239.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-239.js
index 0863f52f55..7421b5a81b 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-239.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-239.js
@@ -28,7 +28,7 @@ try {
     writable: true,
     enumerable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 
 } catch (e) {
   verifyEqualTo(arrObj, "1", 3);
@@ -40,7 +40,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-240.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-240.js
index 4b6b824e86..ffd8f4db3e 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-240.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-240.js
@@ -27,7 +27,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: 13
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 
 } catch (e) {
   verifyWritable(arrObj, "1", "setVerifyHelpProp");
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-241.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-241.js
index 1cad6cfc8c..4b2b67198f 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-241.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-241.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     set: function() {}
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 
 } catch (e) {
   verifyEqualTo(arrObj, "1", 3);
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-244.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-244.js
index 71a507f315..d00495689a 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-244.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-244.js
@@ -26,7 +26,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     writable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 
 } catch (e) {
   verifyEqualTo(arrObj, "1", undefined);
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-245.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-245.js
index 9684f81e73..a6135654e3 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-245.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-245.js
@@ -27,7 +27,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: "abc"
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", 3);
 
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-246.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-246.js
index caefee79ce..a9108891fd 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-246.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-246.js
@@ -25,7 +25,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: +0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", -0);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-247.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-247.js
index 0bec019134..15c3378d42 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-247.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-247.js
@@ -25,7 +25,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: -0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", +0);
 
@@ -36,7 +36,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-248.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-248.js
index 8467c4e603..cb168bfe8f 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-248.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-248.js
@@ -24,7 +24,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: 15
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", 12);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-249.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-249.js
index 5987bb6575..a5c3fbeacd 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-249.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-249.js
@@ -24,7 +24,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: "fgh"
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", "abc");
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-250.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-250.js
index 607e0d752b..e3aed4b274 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-250.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-250.js
@@ -24,7 +24,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", false);
 
@@ -35,7 +35,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-251.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-251.js
index 23fdaab4c7..0524d0a4e9 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-251.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-251.js
@@ -27,7 +27,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     value: {}
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", obj);
 
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-252.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-252.js
index 4d9f341fe6..354a5bbcbf 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-252.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-252.js
@@ -27,7 +27,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     set: function() {}
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 
 } catch (e) {
   verifyWritable(arrObj, "1", "setVerifyHelpProp");
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-253.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-253.js
index 3885a37c5e..bc278d21eb 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-253.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-253.js
@@ -28,7 +28,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     set: function() {}
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "1", getFunc());
 
@@ -37,7 +37,7 @@ try {
   verifyNotConfigurable(arrObj, "1");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-255.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-255.js
index 054edeca85..2ea48e0801 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-255.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-255.js
@@ -30,7 +30,7 @@ try {
     }
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
   assert(arrObj.hasOwnProperty("1"));
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js
index 5082b79ff3..65eaf21ef6 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-256.js
@@ -27,7 +27,7 @@ try {
   Object.defineProperty(arrObj, "1", {
     get: undefined
   });
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
   assert(arrObj.hasOwnProperty("1"));
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-281.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-281.js
index e222043de1..7e6fd7e763 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-281.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-281.js
@@ -21,7 +21,7 @@ try {
   Object.defineProperty(arrObj, "property", {
     value: 36
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "property", 12);
 
@@ -32,7 +32,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-282.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-282.js
index 4aaa7cc070..fc13067f13 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-282.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-282.js
@@ -21,7 +21,7 @@ try {
   Object.defineProperty(arrObj, "property", {
     writable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "property", undefined);
 
@@ -32,7 +32,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-283.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-283.js
index f86d1ce0e6..dc04dd3c51 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-283.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-283.js
@@ -21,7 +21,7 @@ try {
   Object.defineProperty(arrObj, "property", {
     enumerable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "property", 12);
 
@@ -32,7 +32,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-284.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-284.js
index 1ef365e86e..9fbead3859 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-284.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-284.js
@@ -21,7 +21,7 @@ try {
   Object.defineProperty(arrObj, "property", {
     configurable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "property", 12);
 
@@ -32,7 +32,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-285.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-285.js
index 1de36f3b1f..b3c187de14 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-285.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-285.js
@@ -31,7 +31,7 @@ try {
       return 36;
     }
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(arrObj, "property", getFunc());
 
@@ -42,7 +42,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-286.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-286.js
index 5299882040..ed8430424f 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-286.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-286.js
@@ -24,7 +24,7 @@ try {
   Object.defineProperty(arrObj, "property", {
     set: function() {}
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arrObj, "property", "setVerifyHelpProp");
 
@@ -33,7 +33,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-287.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-287.js
index 354519f6b9..34f2595375 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-287.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-287.js
@@ -25,7 +25,7 @@ try {
   Object.defineProperty(arrObj, "property", {
     enumerable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arrObj, "property", "setVerifyHelpProp");
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-288.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-288.js
index a0290cf044..e196cf7581 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-288.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-288.js
@@ -25,7 +25,7 @@ try {
   Object.defineProperty(arrObj, "property", {
     configurable: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(arrObj, "property", "setVerifyHelpProp");
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(arrObj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-289-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-289-1.js
index d4e64bd889..5062611af0 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-289-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-289-1.js
@@ -25,7 +25,7 @@ includes: [propertyHelper.js]
   });
 
   if (a !== 0) {
-    $ERROR("Expected a === 0, actually " + a);
+    throw new Test262Error("Expected a === 0, actually " + a);
   }
 
   verifyEqualTo(arguments, "0", 10);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-290-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-290-1.js
index 0cd20ff34a..99ff4e802c 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-290-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-290-1.js
@@ -30,7 +30,7 @@ includes: [propertyHelper.js]
     configurable: true
   });
   if (a !== 0) {
-    $ERROR('Expected a === 0, actually ' + a);
+    throw new Test262Error('Expected a === 0, actually ' + a);
   }
 
   verifyEqualTo(arguments, "0", getFunc());
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-291-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-291-1.js
index 4b75da8ade..0bf6c88e69 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-291-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-291-1.js
@@ -31,7 +31,7 @@ includes: [propertyHelper.js]
     configurable: false
   });
   if (a !== 0) {
-    $ERROR('Expected a === 0, actually ' + a);
+    throw new Test262Error('Expected a === 0, actually ' + a);
   }
 
   verifyEqualTo(arguments, "0", getFunc2());
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-292-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-292-1.js
index 9c20ee4590..c4760e5ca9 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-292-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-292-1.js
@@ -22,7 +22,7 @@ flags: [noStrict]
   });
 
   if (a !== 20) {
-    $ERROR('Expected a === 20, actually ' + a);
+    throw new Test262Error('Expected a === 20, actually ' + a);
   }
 
   verifyEqualTo(arguments, "0", 20);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-292-2.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-292-2.js
index 1e9fec466f..c5c6b371ad 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-292-2.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-292-2.js
@@ -22,7 +22,7 @@ flags: [onlyStrict]
   });
 
   if (a !== 0) {
-    $ERROR('Expected a === 0, actually ' + a);
+    throw new Test262Error('Expected a === 0, actually ' + a);
   }
 
   verifyEqualTo(arguments, "0", 20);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-293-2.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-293-2.js
index 10e87a7fbb..98eb9586b7 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-293-2.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-293-2.js
@@ -25,12 +25,12 @@ flags: [noStrict]
     Object.defineProperty(arguments, "0", {
       value: 20
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
 
   } catch (e) {
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
     verifyEqualTo(arguments, "0", 10);
@@ -42,7 +42,7 @@ flags: [noStrict]
     verifyNotConfigurable(arguments, "0");
 
     if (a !== 10) {
-      $ERROR('Expected "a === 10", actually ' + a);
+      throw new Test262Error('Expected "a === 10", actually ' + a);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-293-3.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-293-3.js
index 9ba1c6d058..79a71fed67 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-293-3.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-293-3.js
@@ -23,7 +23,7 @@ flags: [noStrict]
     value: 20
   });
   if (a !== 10) {
-    $ERROR('Expected "a === 10", actually ' + a);
+    throw new Test262Error('Expected "a === 10", actually ' + a);
   }
 
   verifyEqualTo(arguments, "0", 20);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-293-4.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-293-4.js
index 384e59654f..4d8158fa2a 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-293-4.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-293-4.js
@@ -23,7 +23,7 @@ flags: [onlyStrict]
     value: 20
   });
   if (a !== 0) {
-    $ERROR('Expected "a === 0", actually ' + a);
+    throw new Test262Error('Expected "a === 0", actually ' + a);
   }
 
   verifyEqualTo(arguments, "0", 20);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-293.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-293.js
index 4f42459319..25dae83a37 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-293.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-293.js
@@ -23,7 +23,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       value: 20
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 10);
 
@@ -34,7 +34,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js
index 7ece96050d..4b40ae8e88 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js
@@ -25,11 +25,11 @@ flags: [noStrict]
     Object.defineProperty(arguments, "0", {
       writable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
     verifyEqualTo(arguments, "0", 10);
@@ -41,7 +41,7 @@ flags: [noStrict]
     verifyNotConfigurable(arguments, "0");
 
     if (a !== 10) {
-      $ERROR('Expected "a === 10", actually ' + a);
+      throw new Test262Error('Expected "a === 10", actually ' + a);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-294.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-294.js
index 33567f4004..b6dc716f20 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-294.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-294.js
@@ -22,7 +22,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       writable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 10);
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-295-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-295-1.js
index c430603b43..7e5b60dd1a 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-295-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-295-1.js
@@ -26,10 +26,10 @@ flags: [noStrict]
     Object.defineProperty(arguments, "0", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
     verifyEqualTo(arguments, "0", 10);
@@ -41,7 +41,7 @@ flags: [noStrict]
     verifyNotConfigurable(arguments, "0");
 
     if (a !== 10) {
-      $ERROR('Expected "a === 10", actually ' + a);
+      throw new Test262Error('Expected "a === 10", actually ' + a);
     }
   }
 }(0, 1, 2));
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-295.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-295.js
index 1aec126bbe..c84bf1ed89 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-295.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-295.js
@@ -22,7 +22,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 10);
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-296-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-296-1.js
index 6c092c6ee4..dd632b8672 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-296-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-296-1.js
@@ -25,10 +25,10 @@ flags: [noStrict]
     Object.defineProperty(arguments, "0", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
     verifyEqualTo(arguments, "0", 10);
@@ -40,7 +40,7 @@ flags: [noStrict]
     verifyNotConfigurable(arguments, "0");
 
     if (a !== 10) {
-      $ERROR('Expected "a === 10", actually ' + a);
+      throw new Test262Error('Expected "a === 10", actually ' + a);
     }
   }
 }(0, 1, 2));
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-296.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-296.js
index 6791a73d72..e6295ca2b1 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-296.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-296.js
@@ -22,7 +22,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 10);
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-297-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-297-1.js
index 184c9a58ce..6f6b5b0d9e 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-297-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-297-1.js
@@ -30,10 +30,10 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       get: getFunc2
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (a !== 0) {
-      $ERROR('Expected a === 0, actually ' + a);
+      throw new Test262Error('Expected a === 0, actually ' + a);
     }
 
     verifyEqualTo(arguments, "0", getFunc1());
@@ -43,7 +43,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-297.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-297.js
index 974e8ecdbb..402c570c5e 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-297.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-297.js
@@ -28,7 +28,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       get: getFunc2
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc1());
 
@@ -37,7 +37,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-298-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-298-1.js
index 0b2827750e..30dd1f884f 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-298-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-298-1.js
@@ -31,10 +31,10 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       set: setFunc
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (a !== 0) {
-      $ERROR('Expected a === 0, actually ' + a);
+      throw new Test262Error('Expected a === 0, actually ' + a);
     }
 
     verifyEqualTo(arguments, "0", getFunc());
@@ -44,7 +44,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-298.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-298.js
index 14ac5ab6af..5bb323da6a 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-298.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-298.js
@@ -29,7 +29,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       set: setFunc
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -38,7 +38,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-299-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-299-1.js
index 671be86441..00d3eeff30 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-299-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-299-1.js
@@ -26,10 +26,10 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (a !== 0) {
-      $ERROR('Expected a === 0, actually ' + a);
+      throw new Test262Error('Expected a === 0, actually ' + a);
     }
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -38,7 +38,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-299.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-299.js
index 38c23592e7..9ef1eea060 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-299.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-299.js
@@ -24,7 +24,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-300-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-300-1.js
index 04174e0bce..a2e8fbb3e4 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-300-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-300-1.js
@@ -26,10 +26,10 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (a !== 0) {
-      $ERROR('Expected a === 0, actually ' + a);
+      throw new Test262Error('Expected a === 0, actually ' + a);
     }
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -38,7 +38,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-300.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-300.js
index 89f3607be8..094ebaf8ae 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-300.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-300.js
@@ -24,7 +24,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-301-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-301-1.js
index 68f714814f..34ee4e9274 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-301-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-301-1.js
@@ -21,7 +21,7 @@ includes: [propertyHelper.js]
     configurable: false
   });
   if (a !== 0) {
-    $ERROR("Expected a === 0, actually " + a);
+    throw new Test262Error("Expected a === 0, actually " + a);
   }
   verifyEqualTo(arguments, "0", 10);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-302-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-302-1.js
index 2abc9a5ca2..fe96b1e9a4 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-302-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-302-1.js
@@ -30,7 +30,7 @@ includes: [propertyHelper.js]
     configurable: false
   });
   if (a !== 0) {
-    $ERROR('Expected a === 0, actually ' + a);
+    throw new Test262Error('Expected a === 0, actually ' + a);
   }
   verifyEqualTo(arguments, "0", getFunc());
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-305.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-305.js
index e02038bfa1..f0ed749b85 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-305.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-305.js
@@ -23,7 +23,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       value: 10
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 0);
 
@@ -34,7 +34,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-306.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-306.js
index 5cd489d478..1ea0cc7311 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-306.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-306.js
@@ -23,7 +23,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       writable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 0);
 
@@ -34,7 +34,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-307.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-307.js
index 043ae972ff..7269014ff7 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-307.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-307.js
@@ -23,7 +23,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 0);
 
@@ -34,7 +34,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-308.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-308.js
index 33aff6bdbb..04e0737d50 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-308.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-308.js
@@ -23,7 +23,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", 0);
 
@@ -34,7 +34,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-309.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-309.js
index f35c9908c1..f98793d004 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-309.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-309.js
@@ -29,7 +29,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       get: getFunc2
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc1());
 
@@ -38,7 +38,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-310.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-310.js
index 69301af5fa..8b72ae3ed3 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-310.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-310.js
@@ -30,7 +30,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       set: setFunc
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -39,7 +39,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-311.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-311.js
index 4d574987cc..d743858af9 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-311.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-311.js
@@ -25,7 +25,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -34,7 +34,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-312.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-312.js
index a78e3f2c57..c3bf8b75a8 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-312.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-312.js
@@ -23,7 +23,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "0", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "0", getFunc());
 
@@ -32,7 +32,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "0");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-315-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-315-1.js
index a223dc3d46..6cc433db93 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-315-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-315-1.js
@@ -37,7 +37,7 @@ includes: [propertyHelper.js]
     configurable: false
   });
   if (c !== 3) {
-    $ERROR('Expected c === 3, actually ' + c);
+    throw new Test262Error('Expected c === 3, actually ' + c);
   }
 
   verifyEqualTo(arguments, "genericProperty", getFunc());
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-317-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-317-1.js
index b8263cf93f..bde6835e1f 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-317-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-317-1.js
@@ -22,10 +22,10 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       value: 1002
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (b !== 2) {
-      $ERROR('Expected "b === 2;", actually ' + b);
+      throw new Test262Error('Expected "b === 2;", actually ' + b);
     }
 
     verifyEqualTo(arguments, "genericProperty", 1001);
@@ -37,7 +37,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-317.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-317.js
index 737aa02bde..6c46d73ab6 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-317.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-317.js
@@ -21,7 +21,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       value: 1002
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", 1001);
 
@@ -32,7 +32,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-318-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-318-1.js
index 563f912119..376ec4a966 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-318-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-318-1.js
@@ -21,7 +21,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       writable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", undefined);
 
@@ -32,7 +32,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-318.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-318.js
index 8ffe4fac99..9fdbfd57c0 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-318.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-318.js
@@ -20,7 +20,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       writable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", undefined);
 
@@ -32,7 +32,7 @@ includes: [propertyHelper.js]
 
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-319-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-319-1.js
index 43ba1dee9f..1d819cc170 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-319-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-319-1.js
@@ -21,7 +21,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", undefined);
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
 
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-319.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-319.js
index 4df5a0c9bc..3a9778eb9c 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-319.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-319.js
@@ -20,7 +20,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", undefined);
 
@@ -31,7 +31,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-320-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-320-1.js
index abf523f65e..cebb0b8342 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-320-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-320-1.js
@@ -20,7 +20,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", undefined);
 
@@ -31,7 +31,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-320.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-320.js
index 67d041b9fe..0502133f05 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-320.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-320.js
@@ -19,7 +19,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", undefined);
 
@@ -31,7 +31,7 @@ includes: [propertyHelper.js]
 
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-321-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-321-1.js
index c1cd750ee2..2a49eb3db5 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-321-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-321-1.js
@@ -31,10 +31,10 @@ includes: [propertyHelper.js]
         return "overideGenericPropertyString";
       }
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (a !== 1) {
-      $ERROR('Expected a === 1, actually ' + a);
+      throw new Test262Error('Expected a === 1, actually ' + a);
     }
 
     verifyEqualTo(arguments, "genericProperty", getFunc());
@@ -46,7 +46,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-321.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-321.js
index 18efcbf7e1..f00c928059 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-321.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-321.js
@@ -30,7 +30,7 @@ includes: [propertyHelper.js]
         return "overideGenericPropertyString";
       }
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyEqualTo(arguments, "genericProperty", getFunc());
 
@@ -41,7 +41,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-322-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-322-1.js
index b4da0dc39f..918bf4b5dc 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-322-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-322-1.js
@@ -26,7 +26,7 @@ includes: [propertyHelper.js]
         this.genericPropertyString1 = value;
       }
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyWritable(arguments, "genericProperty", "genericPropertyString");
 
@@ -35,7 +35,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-322.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-322.js
index b14567fe79..a940aa506b 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-322.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-322.js
@@ -25,7 +25,7 @@ includes: [propertyHelper.js]
         this.genericPropertyString1 = value;
       }
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyWritable(arguments, "genericProperty", "genericPropertyString");
 
@@ -34,7 +34,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-323-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-323-1.js
index 9f6c3f0e91..7bbe5d1d86 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-323-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-323-1.js
@@ -25,10 +25,10 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     if (c !== 3) {
-      $ERROR('Expected c === 3, actually ' + c);
+      throw new Test262Error('Expected c === 3, actually ' + c);
     }
     verifyWritable(arguments, "genericProperty", "genericPropertyString");
 
@@ -37,7 +37,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-323.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-323.js
index b7104257de..38dd7166c7 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-323.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-323.js
@@ -24,7 +24,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       enumerable: false
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyWritable(arguments, "genericProperty", "genericPropertyString");
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-324-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-324-1.js
index ef6ec1c0da..8bb9cecb08 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-324-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-324-1.js
@@ -24,7 +24,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyWritable(arguments, "genericProperty", "genericPropertyString");
 
@@ -33,7 +33,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-324.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-324.js
index 0986e4a5bb..caab62dbe3 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-324.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-324.js
@@ -23,7 +23,7 @@ includes: [propertyHelper.js]
     Object.defineProperty(arguments, "genericProperty", {
       configurable: true
     });
-    $ERROR("Expected an exception.");
+    throw new Test262Error("Expected an exception.");
   } catch (e) {
     verifyWritable(arguments, "genericProperty", "genericPropertyString");
 
@@ -32,7 +32,7 @@ includes: [propertyHelper.js]
     verifyNotConfigurable(arguments, "genericProperty");
 
     if (!(e instanceof TypeError)) {
-      $ERROR("Expected TypeError, got " + e);
+      throw new Test262Error("Expected TypeError, got " + e);
     }
 
   }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-438.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-438.js
index 68fc319294..1ccc9f436d 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-438.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-438.js
@@ -26,7 +26,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-456.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-456.js
index e6c6836548..996b566cfc 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-456.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-456.js
@@ -26,7 +26,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-474.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-474.js
index 27355b6c5c..20533735ab 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-474.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-474.js
@@ -31,7 +31,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-492.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-492.js
index 1cdf9be44b..55d5e0cbf7 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-492.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-492.js
@@ -31,7 +31,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-510.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-510.js
index 1ca3ab85a0..af4e5108e7 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-510.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-510.js
@@ -30,7 +30,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-528.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-528.js
index 12189aeb17..c53535ba5f 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-528.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-528.js
@@ -30,7 +30,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-1.js
index 3b65218cca..585a7a6c0d 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-1.js
@@ -35,19 +35,19 @@ Object.defineProperty(obj, "0", {
 var desc2 = Object.getOwnPropertyDescriptor(obj, "0");
 
 if (!desc1.hasOwnProperty("get")) {
-  $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+  throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
 }
 
 if (!desc2.hasOwnProperty("value")) {
-  $ERROR('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
+  throw new Test262Error('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
 }
 
 if (typeof desc2.get !== "undefined") {
-  $ERROR('Expected typeof desc2.get === "undefined", actually ' + typeof desc2.get);
+  throw new Test262Error('Expected typeof desc2.get === "undefined", actually ' + typeof desc2.get);
 }
 
 if (typeof desc2.set !== "undefined") {
-  $ERROR('Expected typeof desc2.set === "undefined", actually ' + typeof desc2.set);
+  throw new Test262Error('Expected typeof desc2.set === "undefined", actually ' + typeof desc2.set);
 }
 
 verifyEqualTo(obj, "0", 1001);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-2.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-2.js
index 78d2ca97b4..7e7a31eb01 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-2.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-2.js
@@ -37,19 +37,19 @@ Object.defineProperty(obj, "prop", {
 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
 
 if (!desc1.hasOwnProperty("get")) {
-  $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+  throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
 }
 
 if (!desc2.hasOwnProperty("value")) {
-  $ERROR('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
+  throw new Test262Error('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
 }
 
 if (typeof desc2.get !== "undefined") {
-  $ERROR('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
+  throw new Test262Error('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
 }
 
 if (typeof desc2.set !== "undefined") {
-  $ERROR('Expected typeof desc2.set === "undefined" , actually ' + typeof desc2.set);
+  throw new Test262Error('Expected typeof desc2.set === "undefined" , actually ' + typeof desc2.set);
 }
 
 verifyEqualTo(obj, "prop", 1001);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-5.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-5.js
index fdc987cfdc..86e3bc4186 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-5.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-5.js
@@ -35,19 +35,19 @@ Object.defineProperty(obj, "prop", {
 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
 
 if (!desc1.hasOwnProperty("get")) {
-  $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+  throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
 }
 
 if (!desc2.hasOwnProperty("value")) {
-  $ERROR('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
+  throw new Test262Error('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
 }
 
 if (typeof desc2.get !== "undefined") {
-  $ERROR('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
+  throw new Test262Error('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
 }
 
 if (typeof desc2.set !== "undefined") {
-  $ERROR('Expected typeof desc2.set === "undefined" , actually ' + typeof desc2.set);
+  throw new Test262Error('Expected typeof desc2.set === "undefined" , actually ' + typeof desc2.set);
 }
 
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-6.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-6.js
index 5c90ba8f9e..5f90f5676a 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-538-6.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-538-6.js
@@ -37,19 +37,19 @@ Object.defineProperty(obj, "0", {
 var desc2 = Object.getOwnPropertyDescriptor(obj, "0");
 
 if (!desc1.hasOwnProperty("get")) {
-  $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+  throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
 }
 
 if (!desc2.hasOwnProperty("value")) {
-  $ERROR('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
+  throw new Test262Error('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
 }
 
 if (typeof desc2.get !== "undefined") {
-  $ERROR('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
+  throw new Test262Error('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
 }
 
 if (typeof desc2.set !== "undefined") {
-  $ERROR('Expected typeof desc2.set === "undefined" , actually ' + typeof desc2.set);
+  throw new Test262Error('Expected typeof desc2.set === "undefined" , actually ' + typeof desc2.set);
 }
 
 verifyEqualTo(obj, "0", 1001);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-538.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-538.js
index 3b97da4a8c..16f883a9b4 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-538.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-538.js
@@ -35,15 +35,15 @@ Object.defineProperty(obj, "prop", {
 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
 
 if (!desc1.hasOwnProperty("get")) {
-  $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+  throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
 }
 
 if (!desc2.hasOwnProperty("value")) {
-  $ERROR('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
+  throw new Test262Error('Expected desc2.hasOwnProperty("value") to be true, actually ' + desc2.hasOwnProperty("value"));
 }
 
 if (typeof desc2.get !== "undefined") {
-  $ERROR('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
+  throw new Test262Error('Expected typeof desc2.get === "undefined" , actually ' + typeof desc2.get);
 }
 
 
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-1.js
index 396bcfba3e..0a9fea9843 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-1.js
@@ -52,7 +52,7 @@ try {
   });
 } catch (e) {
   if (!result) {
-    $ERROR('Expected result to be true, actually ' + result);
+    throw new Test262Error('Expected result to be true, actually ' + result);
   }
 
   verifyEqualTo(obj, "property", getFunc());
@@ -64,7 +64,7 @@ try {
   verifyNotConfigurable(obj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-2.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-2.js
index 6d5e5a4fd0..14b503ae68 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-2.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-2.js
@@ -52,7 +52,7 @@ try {
   });
 } catch (e) {
   if (!result) {
-    $ERROR('Expected result  to be true, actually ' + result);
+    throw new Test262Error('Expected result  to be true, actually ' + result);
   }
 
   verifyEqualTo(obj, "0", getFunc());
@@ -64,7 +64,7 @@ try {
   verifyNotConfigurable(obj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-3.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-3.js
index 0b7b5bcdc1..507a9f6ab8 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-3.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-3.js
@@ -54,7 +54,7 @@ try {
 } catch (e) {
 
   if (!result) {
-    $ERROR('Expected result to be true, actually ' + result);
+    throw new Test262Error('Expected result to be true, actually ' + result);
   }
 
   verifyEqualTo(obj, "property", getFunc());
@@ -66,7 +66,7 @@ try {
   verifyNotConfigurable(obj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-6.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-6.js
index 778a22ac5c..cb6c76f337 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-6.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-6.js
@@ -53,7 +53,7 @@ try {
   });
 } catch (e) {
   if (!result) {
-    $ERROR('Expected result to be true, actually ' + result);
+    throw new Test262Error('Expected result to be true, actually ' + result);
   }
 
   verifyEqualTo(obj, "0", getFunc());
@@ -66,7 +66,7 @@ try {
 
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-7.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-7.js
index b953deb29d..edd742881c 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-7.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-7.js
@@ -52,7 +52,7 @@ try {
   });
 } catch (e1) {
   if (!result) {
-    $ERROR('Expected result to be true, actually ' + result);
+    throw new Test262Error('Expected result to be true, actually ' + result);
   }
 
 
@@ -66,7 +66,7 @@ try {
 
 
   if (!(e1 instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e1);
+    throw new Test262Error("Expected TypeError, got " + e1);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-8.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-8.js
index d9df97b880..ab4b8c8b0e 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-540-8.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-540-8.js
@@ -54,7 +54,7 @@ try {
   });
 } catch (e) {
   if (!result) {
-    $ERROR('Expected result  to be true, actually ' + result);
+    throw new Test262Error('Expected result  to be true, actually ' + result);
   }
 
   verifyEqualTo(obj, "0", getFunc());
@@ -66,7 +66,7 @@ try {
   verifyNotConfigurable(obj, "0");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-546.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-546.js
index 74dca6bda0..4bcc2a7234 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-546.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-546.js
@@ -35,7 +35,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
   assert.sameValue(desc1.configurable, false);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-1.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-1.js
index 359362b861..ddcb88bea7 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-1.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-1.js
@@ -34,16 +34,16 @@ try {
     value: 1001
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   var desc2 = Object.getOwnPropertyDescriptor(obj, "0");
 
   if (!desc1.hasOwnProperty("get")) {
-    $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+    throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
   }
 
   if (desc2.hasOwnProperty("value")) {
-    $ERROR('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
+    throw new Test262Error('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
   }
 
 
@@ -57,7 +57,7 @@ try {
 
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-2.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-2.js
index 6a08c62d6f..f555557321 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-2.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-2.js
@@ -36,16 +36,16 @@ try {
     value: 1001
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
 
   if (!desc1.hasOwnProperty("get")) {
-    $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+    throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
   }
 
   if (desc2.hasOwnProperty("value")) {
-    $ERROR('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
+    throw new Test262Error('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
   }
 
 
@@ -59,7 +59,7 @@ try {
 
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-3.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-3.js
index db807f2b64..fa61275260 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-3.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-3.js
@@ -34,16 +34,16 @@ try {
     value: 1001
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
 
   if (!desc1.hasOwnProperty("get")) {
-    $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+    throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
   }
 
   if (desc2.hasOwnProperty("value")) {
-    $ERROR('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
+    throw new Test262Error('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
   }
 
 
@@ -56,7 +56,7 @@ try {
   verifyNotConfigurable(obj, "prop");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-4.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-4.js
index fd8fe6f5b5..a2af81f61a 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-547-4.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-547-4.js
@@ -35,16 +35,16 @@ try {
   Object.defineProperty(obj, "0", {
     value: 1001
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   var desc2 = Object.getOwnPropertyDescriptor(obj, "0");
 
   if (!desc1.hasOwnProperty("get")) {
-    $ERROR('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
+    throw new Test262Error('Expected desc1.hasOwnProperty("get") to be true, actually ' + desc1.hasOwnProperty("get"));
   }
 
   if (desc2.hasOwnProperty("value")) {
-    $ERROR('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
+    throw new Test262Error('Expected !desc2.hasOwnProperty("value") to be true, actually ' + !desc2.hasOwnProperty("value"));
   }
 
   verifyEqualTo(obj, "0", getFunc());
@@ -57,7 +57,7 @@ try {
 
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-564.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-564.js
index 81f0cc5a53..7b17cd4992 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-564.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-564.js
@@ -35,7 +35,7 @@ try {
     configurable: true
   });
 
-  $ERROR("Expected TypeError");
+  throw new Test262Error("Expected TypeError");
 } catch (e) {
   assert(e instanceof TypeError);
   assert.sameValue(desc1.configurable, false);
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-64.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-64.js
index b079432a35..ea10286897 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-64.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-64.js
@@ -20,7 +20,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: +0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
 
   verifyEqualTo(obj, "foo", -0);
@@ -32,7 +32,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-65.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-65.js
index d420ffa4e8..02d0c6ffe3 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-65.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-65.js
@@ -20,7 +20,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: -0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", +0);
 
@@ -31,7 +31,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-86.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-86.js
index e302bff64e..ea1b1b3986 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-86.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-86.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: +0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", -0);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-87.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-87.js
index a7edd420c5..4a2890f390 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-87.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-87.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: -0
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", +0);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-89.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-89.js
index dbbf9c6199..19ecac3f59 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-89.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-89.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: 20
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", 10);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-91.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-91.js
index 0f9ae100eb..20d3d198f9 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-91.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-91.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: "fghj"
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", "abcd");
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-93.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-93.js
index 867b24e24d..0c693d7dd1 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-93.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-93.js
@@ -23,7 +23,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: true
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", false);
 
@@ -34,7 +34,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-95.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-95.js
index 4157be5779..bc7e45b0d5 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-95.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-95.js
@@ -32,7 +32,7 @@ try {
   Object.defineProperty(obj, "foo", {
     value: obj2
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "foo", obj1);
 
@@ -43,7 +43,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-97.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-97.js
index 501e58cb34..38ef4724f0 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-97.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-97.js
@@ -29,7 +29,7 @@ try {
     configurable: false
   });
 
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyEqualTo(obj, "property", getFunc());
 
@@ -38,7 +38,7 @@ try {
   verifyNotConfigurable(obj, "property");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/15.2.3.6-4-99.js b/test/built-ins/Object/defineProperty/15.2.3.6-4-99.js
index ee0111080e..8aaba926f1 100644
--- a/test/built-ins/Object/defineProperty/15.2.3.6-4-99.js
+++ b/test/built-ins/Object/defineProperty/15.2.3.6-4-99.js
@@ -31,7 +31,7 @@ try {
     get: getFunc,
     set: setFunc
   });
-  $ERROR("Expected an exception.");
+  throw new Test262Error("Expected an exception.");
 } catch (e) {
   verifyWritable(obj, "foo", "setVerifyHelpProp");
 
@@ -40,7 +40,7 @@ try {
   verifyNotConfigurable(obj, "foo");
 
   if (!(e instanceof TypeError)) {
-    $ERROR("Expected TypeError, got " + e);
+    throw new Test262Error("Expected TypeError, got " + e);
   }
 
 }
diff --git a/test/built-ins/Object/defineProperty/S15.2.3.6_A1.js b/test/built-ins/Object/defineProperty/S15.2.3.6_A1.js
index 151157c484..c4ee2d69c0 100644
--- a/test/built-ins/Object/defineProperty/S15.2.3.6_A1.js
+++ b/test/built-ins/Object/defineProperty/S15.2.3.6_A1.js
@@ -32,7 +32,7 @@ if (typeof document !== 'undefined' &&
   if (!refused) {
     var desc = Object.getOwnPropertyDescriptor(f, 'foo');
     if (desc.get !== getter) {
-      $ERROR('Getter on HTMLFormElement disappears');
+      throw new Test262Error('Getter on HTMLFormElement disappears');
     }
   }
 }
diff --git a/test/built-ins/Object/defineProperty/S15.2.3.6_A2.js b/test/built-ins/Object/defineProperty/S15.2.3.6_A2.js
index 05e6aa3c19..2df9f1cde3 100644
--- a/test/built-ins/Object/defineProperty/S15.2.3.6_A2.js
+++ b/test/built-ins/Object/defineProperty/S15.2.3.6_A2.js
@@ -18,5 +18,5 @@ Object.defineProperty(base, 'foo', {
   get: getter
 });
 if (derived.hasOwnProperty('foo')) {
-  $ERROR('Accessor properties inherit as own properties');
+  throw new Test262Error('Accessor properties inherit as own properties');
 }
diff --git a/test/built-ins/Object/entries/exception-during-enumeration.js b/test/built-ins/Object/entries/exception-during-enumeration.js
index c4dba3f558..262d4c3aa9 100644
--- a/test/built-ins/Object/entries/exception-during-enumeration.js
+++ b/test/built-ins/Object/entries/exception-during-enumeration.js
@@ -12,7 +12,7 @@ var trappedKey = {
     throw new RangeError('This error should be re-thrown');
   },
   get b() {
-    $ERROR('Should not try to get the second element');
+    throw new Test262Error('Should not try to get the second element');
   }
 };
 
diff --git a/test/built-ins/Object/entries/tamper-with-global-object.js b/test/built-ins/Object/entries/tamper-with-global-object.js
index cea8a87bb4..66f3b560c8 100644
--- a/test/built-ins/Object/entries/tamper-with-global-object.js
+++ b/test/built-ins/Object/entries/tamper-with-global-object.js
@@ -9,7 +9,7 @@ author: Jordan Harband
 ---*/
 
 function fakeObject() {
-  $ERROR('The overriden version of Object was called!');
+  throw new Test262Error('The overriden version of Object was called!');
 }
 fakeObject.entries = Object.entries;
 
diff --git a/test/built-ins/Object/entries/tamper-with-object-keys.js b/test/built-ins/Object/entries/tamper-with-object-keys.js
index 7217292f0f..dc6f4c11e8 100644
--- a/test/built-ins/Object/entries/tamper-with-object-keys.js
+++ b/test/built-ins/Object/entries/tamper-with-object-keys.js
@@ -9,7 +9,7 @@ author: Jordan Harband
 ---*/
 
 function fakeObjectKeys() {
-  $ERROR('The overriden version of Object.keys was called!');
+  throw new Test262Error('The overriden version of Object.keys was called!');
 }
 
 Object.keys = fakeObjectKeys;
diff --git a/test/built-ins/Object/freeze/15.2.3.9-2-b-i-1.js b/test/built-ins/Object/freeze/15.2.3.9-2-b-i-1.js
index 96de0e1f7d..3ee9e83aaa 100644
--- a/test/built-ins/Object/freeze/15.2.3.9-2-b-i-1.js
+++ b/test/built-ins/Object/freeze/15.2.3.9-2-b-i-1.js
@@ -30,9 +30,9 @@ verifyEnumerable(obj, "foo");
 verifyNotConfigurable(obj, "foo");
 
 if (desc.writable !== false) {
-  $ERROR('Expected desc.writable === false, actually ' + desc.writable);
+  throw new Test262Error('Expected desc.writable === false, actually ' + desc.writable);
 }
 
 if (desc.configurable !== false) {
-  $ERROR('Expected desc.configurable === false, actually ' + desc.configurable);
+  throw new Test262Error('Expected desc.configurable === false, actually ' + desc.configurable);
 }
diff --git a/test/built-ins/Object/freeze/15.2.3.9-2-b-i-2.js b/test/built-ins/Object/freeze/15.2.3.9-2-b-i-2.js
index 150f18635c..41077c8f93 100644
--- a/test/built-ins/Object/freeze/15.2.3.9-2-b-i-2.js
+++ b/test/built-ins/Object/freeze/15.2.3.9-2-b-i-2.js
@@ -48,17 +48,17 @@ verifyNotEnumerable(obj, "foo2");
 verifyNotConfigurable(obj, "foo2");
 
 if (desc1.configurable !== false) {
-  $ERROR('Expected desc1.configurable === false, actually ' + desc1.configurable);
+  throw new Test262Error('Expected desc1.configurable === false, actually ' + desc1.configurable);
 }
 
 if (desc1.writable !== false) {
-  $ERROR('Expected desc1.writable === false, actually ' + desc1.writable);
+  throw new Test262Error('Expected desc1.writable === false, actually ' + desc1.writable);
 }
 
 if (desc2.configurable !== false) {
-  $ERROR('Expected desc2.configurable === false, actually ' + desc2.configurable);
+  throw new Test262Error('Expected desc2.configurable === false, actually ' + desc2.configurable);
 }
 
 if (desc2.writable !== false) {
-  $ERROR('Expected desc2.writable === false, actually ' + desc2.writable);
+  throw new Test262Error('Expected desc2.writable === false, actually ' + desc2.writable);
 }
diff --git a/test/built-ins/Object/freeze/15.2.3.9-2-c-1.js b/test/built-ins/Object/freeze/15.2.3.9-2-c-1.js
index ea4ad70eac..7fc4aba3f7 100644
--- a/test/built-ins/Object/freeze/15.2.3.9-2-c-1.js
+++ b/test/built-ins/Object/freeze/15.2.3.9-2-c-1.js
@@ -24,10 +24,10 @@ Object.freeze(obj);
 var desc = Object.getOwnPropertyDescriptor(obj, "foo");
 
 if (desc.configurable !== false) {
-  $ERROR("Expected desc.configurable to be false, actually " + desc.configurable);
+  throw new Test262Error("Expected desc.configurable to be false, actually " + desc.configurable);
 }
 if (desc.writable !== false) {
-  $ERROR("Expected desc.writable to be false, actually " + desc.writable);
+  throw new Test262Error("Expected desc.writable to be false, actually " + desc.writable);
 }
 
 verifyEqualTo(obj, "foo", 10);
diff --git a/test/built-ins/Object/freeze/15.2.3.9-2-c-3.js b/test/built-ins/Object/freeze/15.2.3.9-2-c-3.js
index 5f0d7c1d23..63b16a5087 100644
--- a/test/built-ins/Object/freeze/15.2.3.9-2-c-3.js
+++ b/test/built-ins/Object/freeze/15.2.3.9-2-c-3.js
@@ -42,21 +42,21 @@ verifyEqualTo(obj, "foo2", 10);
 
 obj.foo2 = 12;
 if (!resultSetFun) {
-  $ERROR('Expected obj["foo2"] set() to be called, but was not.');
+  throw new Test262Error('Expected obj["foo2"] set() to be called, but was not.');
 }
 
 if (!isEnumerable(obj, "foo2")) {
-  $ERROR('Expected obj["foo2"] to be enumerable.');
+  throw new Test262Error('Expected obj["foo2"] to be enumerable.');
 }
 
 var desc1 = Object.getOwnPropertyDescriptor(obj, "foo1");
 if (desc1.configurable || desc1.writable) {
-  $ERROR('Expected obj["foo1"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc1));
+  throw new Test262Error('Expected obj["foo1"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc1));
 }
 
 var desc2 = Object.getOwnPropertyDescriptor(obj, "foo2");
 if (desc2.configurable || desc2.writable) {
-  $ERROR('Expected obj["foo2"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc2));
+  throw new Test262Error('Expected obj["foo2"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc2));
 }
 
 verifyEqualTo(obj, "foo1", 10);
diff --git a/test/built-ins/Object/freeze/15.2.3.9-2-c-4.js b/test/built-ins/Object/freeze/15.2.3.9-2-c-4.js
index 6723c16f05..eb08e41d48 100644
--- a/test/built-ins/Object/freeze/15.2.3.9-2-c-4.js
+++ b/test/built-ins/Object/freeze/15.2.3.9-2-c-4.js
@@ -42,19 +42,19 @@ verifyNotConfigurable(obj, "foo2");
 
 obj.foo2 = 12;
 if (!resultSetFun) {
-  $ERROR('Expected obj["foo2"] set() to be called, but was not.');
+  throw new Test262Error('Expected obj["foo2"] set() to be called, but was not.');
 }
 
 verifyEnumerable(obj, "foo2");
 
 var desc1 = Object.getOwnPropertyDescriptor(obj, "foo1");
 if (desc1.configurable || desc1.writable) {
-  $ERROR('Expected obj["foo1"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc1));
+  throw new Test262Error('Expected obj["foo1"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc1));
 }
 
 var desc2 = Object.getOwnPropertyDescriptor(obj, "foo2");
 if (desc2.configurable || desc2.writable) {
-  $ERROR('Expected obj["foo2"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc2));
+  throw new Test262Error('Expected obj["foo2"] to be non-writable, non-configurable; actually ' + JSON.stringify(desc2));
 }
 
 verifyEqualTo(obj, "foo1", 10);
diff --git a/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-global-object.js b/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-global-object.js
index 4fc046ae65..3895399c76 100644
--- a/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-global-object.js
+++ b/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-global-object.js
@@ -9,7 +9,7 @@ author: Jordan Harband
 ---*/
 
 function fakeObject() {
-  $ERROR('The overriden version of Object was called!');
+  throw new Test262Error('The overriden version of Object was called!');
 }
 fakeObject.getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors;
 fakeObject.keys = Object.keys;
diff --git a/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js b/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js
index bfe13dd0d0..6cb8a5070f 100644
--- a/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js
+++ b/test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js
@@ -9,7 +9,7 @@ author: Jordan Harband
 ---*/
 
 function fakeObjectGetOwnPropertyDescriptor() {
-  $ERROR('The overriden version of Object.getOwnPropertyDescriptor was called!');
+  throw new Test262Error('The overriden version of Object.getOwnPropertyDescriptor was called!');
 }
 Object.getOwnPropertyDescriptor = fakeObjectGetOwnPropertyDescriptor;
 
diff --git a/test/built-ins/Object/getOwnPropertyNames/S15.2.3.4_A1_T1.js b/test/built-ins/Object/getOwnPropertyNames/S15.2.3.4_A1_T1.js
index f1eab4e002..14c8bb9b11 100644
--- a/test/built-ins/Object/getOwnPropertyNames/S15.2.3.4_A1_T1.js
+++ b/test/built-ins/Object/getOwnPropertyNames/S15.2.3.4_A1_T1.js
@@ -17,6 +17,6 @@ function foo() {}
 var names = Object.getOwnPropertyNames(foo);
 for (var i = 0, len = names.length; i < len; i++) {
   if (!foo.hasOwnProperty(names[i])) {
-    $ERROR('Phantom own property: ' + names[i]);
+    throw new Test262Error('Phantom own property: ' + names[i]);
   }
 }
diff --git a/test/built-ins/Object/prototype/S15.2.3.1_A1.js b/test/built-ins/Object/prototype/S15.2.3.1_A1.js
index a182b4f737..95bf68c92d 100644
--- a/test/built-ins/Object/prototype/S15.2.3.1_A1.js
+++ b/test/built-ins/Object/prototype/S15.2.3.1_A1.js
@@ -15,13 +15,13 @@ verifyNotWritable(Object, "prototype", null, function() {
 
 //CHECK#1
 if (Object.prototype !== obj) {
-  $ERROR('#1: the Object.prototype property has the attributes ReadOnly.');
+  throw new Test262Error('#1: the Object.prototype property has the attributes ReadOnly.');
 }
 
 //CHECK#2
 try {
   Object.prototype();
-  $ERROR('#2: the Object.prototype property has the attributes ReadOnly');
+  throw new Test262Error('#2: the Object.prototype property has the attributes ReadOnly');
 } catch (e) {
   if (e instanceof Test262Error) throw e;
 }
diff --git a/test/built-ins/Object/prototype/S15.2.3.1_A2.js b/test/built-ins/Object/prototype/S15.2.3.1_A2.js
index 96ee379f65..904495076f 100644
--- a/test/built-ins/Object/prototype/S15.2.3.1_A2.js
+++ b/test/built-ins/Object/prototype/S15.2.3.1_A2.js
@@ -9,7 +9,7 @@ description: Checking if enumerating "Object.prototype" property fails
 
 // CHECK#1
 if (Object.propertyIsEnumerable('prototype')) {
-  $ERROR('#1: the Object.prototype property has the attributes DontEnum');
+  throw new Test262Error('#1: the Object.prototype property has the attributes DontEnum');
 }
 
 // CHECK#2
@@ -20,5 +20,5 @@ for (var p in Object) {
 }
 
 if (cout !== 0) {
-  $ERROR('#2: the Object.prototype property has the attributes DontEnum');
+  throw new Test262Error('#2: the Object.prototype property has the attributes DontEnum');
 }
diff --git a/test/built-ins/Object/prototype/S15.2.3.1_A3.js b/test/built-ins/Object/prototype/S15.2.3.1_A3.js
index d2ffa50ca6..dc24eb5ba8 100644
--- a/test/built-ins/Object/prototype/S15.2.3.1_A3.js
+++ b/test/built-ins/Object/prototype/S15.2.3.1_A3.js
@@ -12,7 +12,7 @@ verifyNotConfigurable(Object, "prototype");
 //CHECK#1
 try {
   if ((delete Object.prototype) !== false) {
-    $ERROR('#1: Object.prototype has the attribute DontDelete');
+    throw new Test262Error('#1: Object.prototype has the attribute DontDelete');
   }
 } catch (e) {
   if (e instanceof Test262Error) throw e;
@@ -21,5 +21,5 @@ try {
 
 //CHECK#2
 if (!(Object.hasOwnProperty('prototype'))) {
-  $ERROR('#2: the Object.prototype property has the attributes DontDelete.');
+  throw new Test262Error('#2: the Object.prototype property has the attributes DontDelete.');
 }
diff --git a/test/built-ins/Object/prototype/S15.2.4_A1_T1.js b/test/built-ins/Object/prototype/S15.2.4_A1_T1.js
index 9e975c0094..4e13708e22 100644
--- a/test/built-ins/Object/prototype/S15.2.4_A1_T1.js
+++ b/test/built-ins/Object/prototype/S15.2.4_A1_T1.js
@@ -9,5 +9,5 @@ description: Checking if obtaining Object.prototype.prototype fails
 
 // CHECK#1
 if (Object.prototype.prototype !== undefined) {
-  $ERROR('#1: Object prototype has not prototype');
+  throw new Test262Error('#1: Object prototype has not prototype');
 }
diff --git a/test/built-ins/Object/prototype/S15.2.4_A1_T2.js b/test/built-ins/Object/prototype/S15.2.4_A1_T2.js
index f92c6b479a..76ee577e39 100644
--- a/test/built-ins/Object/prototype/S15.2.4_A1_T2.js
+++ b/test/built-ins/Object/prototype/S15.2.4_A1_T2.js
@@ -11,7 +11,7 @@ description: >
 
 //CHECK#1
 if (Object.prototype.toString() == false) {
-  $ERROR('#1: Object prototype object has not prototype');
+  throw new Test262Error('#1: Object prototype object has not prototype');
 }
 
 delete Object.prototype.toString;
@@ -19,10 +19,10 @@ delete Object.prototype.toString;
 // CHECK#2
 try {
   Object.prototype.toString();
-  $ERROR('#2: Object prototype object has not prototype');
+  throw new Test262Error('#2: Object prototype object has not prototype');
 } catch (e) {
   if ((e instanceof TypeError) !== true) {
-    $ERROR('#1.1: delete Object.prototype.toString; Object.prototype.toString() throw a TypeError. Actual: ' + (e));
+    throw new Test262Error('#1.1: delete Object.prototype.toString; Object.prototype.toString() throw a TypeError. Actual: ' + (e));
   }
 }
 //
diff --git a/test/built-ins/Object/prototype/S15.2.4_A2.js b/test/built-ins/Object/prototype/S15.2.4_A2.js
index 73075314ff..9a8bc9d58e 100644
--- a/test/built-ins/Object/prototype/S15.2.4_A2.js
+++ b/test/built-ins/Object/prototype/S15.2.4_A2.js
@@ -15,5 +15,5 @@ var tostr = Object.prototype.toString();
 
 //CHECK#1
 if (tostr !== "[object Object]") {
-  $ERROR('#1: the value of the internal [[Class]] property of Object prototype object is "Object"');
+  throw new Test262Error('#1: the value of the internal [[Class]] property of Object prototype object is "Object"');
 }
diff --git a/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T1.js b/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T1.js
index 6266c8a6ae..e73a888f0a 100644
--- a/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T1.js
+++ b/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T1.js
@@ -11,5 +11,5 @@ description: Checking the Object.prototype.constructor
 
 //CHECK#1
 if (Object.prototype.constructor !== Object) {
-  $ERROR('#1: The initial value of Object.prototype.constructor is the built-in Object constructor');
+  throw new Test262Error('#1: The initial value of Object.prototype.constructor is the built-in Object constructor');
 }
diff --git a/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T2.js b/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T2.js
index a9fe417615..31183632ae 100644
--- a/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T2.js
+++ b/test/built-ins/Object/prototype/constructor/S15.2.4.1_A1_T2.js
@@ -17,26 +17,26 @@ var obj = new constr;
 
 // CHECK#0
 if (obj === undefined) {
-  $ERROR('#0: new Object() return the newly created native object.');
+  throw new Test262Error('#0: new Object() return the newly created native object.');
 }
 
 // CHECK#1
 if (obj.constructor !== Object) {
-  $ERROR('#1: new Object() create a new native ECMAScript object');
+  throw new Test262Error('#1: new Object() create a new native ECMAScript object');
 }
 
 // CHECK#2
 if (!(Object.prototype.isPrototypeOf(obj))) {
-  $ERROR('#2: when new Object() calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
+  throw new Test262Error('#2: when new Object() calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
 }
 
 // CHECK#3
 var to_string_result = '[object ' + 'Object' + ']';
 if (obj.toString() !== to_string_result) {
-  $ERROR('#3: when new Object() calls the [[Class]] property of the newly constructed object is set to "Object".');
+  throw new Test262Error('#3: when new Object() calls the [[Class]] property of the newly constructed object is set to "Object".');
 }
 
 // CHECK#4
 if (obj.valueOf().toString() !== to_string_result) {
-  $ERROR('#4: when new Object() calls the newly constructed object has no [[Value]] property.');
+  throw new Test262Error('#4: when new Object() calls the newly constructed object has no [[Value]] property.');
 }
diff --git a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T1.js b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T1.js
index 65402cc5a1..e141eb214b 100644
--- a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T1.js
+++ b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T1.js
@@ -16,11 +16,11 @@ description: >
 
 //CHECK#1
 if (typeof Object.prototype.hasOwnProperty !== "function") {
-  $ERROR('#1: hasOwnProperty method is defined');
+  throw new Test262Error('#1: hasOwnProperty method is defined');
 }
 
 //CHECK#2
 if (!(Object.prototype.hasOwnProperty("hasOwnProperty"))) {
-  $ERROR('#2: hasOwnProperty method works properly');
+  throw new Test262Error('#2: hasOwnProperty method works properly');
 }
 //
diff --git a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T2.js b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T2.js
index 7fa88ceae1..d5cc9d19e9 100644
--- a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T2.js
+++ b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T2.js
@@ -14,7 +14,7 @@ description: Argument of the hasOwnProperty method is a custom boolean property
 
 //CHECK#1
 if (typeof Object.prototype.hasOwnProperty !== "function") {
-  $ERROR('#1: hasOwnProperty method is defined');
+  throw new Test262Error('#1: hasOwnProperty method is defined');
 }
 
 var obj = {
@@ -23,16 +23,16 @@ var obj = {
 
 //CHECK#2
 if (typeof obj.hasOwnProperty !== "function") {
-  $ERROR('#2: hasOwnProperty method is accessed');
+  throw new Test262Error('#2: hasOwnProperty method is accessed');
 }
 
 //CHECK#3
 if (obj.hasOwnProperty("hasOwnProperty")) {
-  $ERROR('#3: hasOwnProperty method works properly');
+  throw new Test262Error('#3: hasOwnProperty method works properly');
 }
 
 //CHECK#4
 if (!(obj.hasOwnProperty("the_property"))) {
-  $ERROR('#4: hasOwnProperty method works properly');
+  throw new Test262Error('#4: hasOwnProperty method works properly');
 }
 //
diff --git a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T3.js b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T3.js
index 9108ec9627..99e1f97004 100644
--- a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T3.js
+++ b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A1_T3.js
@@ -22,20 +22,20 @@ var instance = new FACTORY;
 
 //CHECK#1
 if (typeof Object.prototype.hasOwnProperty !== "function") {
-  $ERROR('#1: hasOwnProperty method is defined');
+  throw new Test262Error('#1: hasOwnProperty method is defined');
 }
 
 //CHECK#2
 if (typeof instance.hasOwnProperty !== "function") {
-  $ERROR('#2: hasOwnProperty method is accessed');
+  throw new Test262Error('#2: hasOwnProperty method is accessed');
 }
 
 //CHECK#3
 if (instance.hasOwnProperty("toString")) {
-  $ERROR('#3: hasOwnProperty method works properly');
+  throw new Test262Error('#3: hasOwnProperty method works properly');
 }
 
 //CHECK#4
 if (!(instance.hasOwnProperty("aproperty"))) {
-  $ERROR('#4: hasOwnProperty method works properly');
+  throw new Test262Error('#4: hasOwnProperty method works properly');
 }
diff --git a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A6.js b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A6.js
index 9318f23219..be9fd54663 100644
--- a/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A6.js
+++ b/test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A6.js
@@ -11,6 +11,6 @@ description: >
 
 //CHECK#1
 if (Object.prototype.hasOwnProperty.prototype !== undefined) {
-  $ERROR('#1: Object.prototype.hasOwnProperty has not prototype property' + Object.prototype.hasOwnProperty.prototype);
+  throw new Test262Error('#1: Object.prototype.hasOwnProperty has not prototype property' + Object.prototype.hasOwnProperty.prototype);
 }
 //
diff --git a/test/built-ins/Object/prototype/hasOwnProperty/symbol_property_toString.js b/test/built-ins/Object/prototype/hasOwnProperty/symbol_property_toString.js
index 1223bc2fe0..a42feac915 100644
--- a/test/built-ins/Object/prototype/hasOwnProperty/symbol_property_toString.js
+++ b/test/built-ins/Object/prototype/hasOwnProperty/symbol_property_toString.js
@@ -23,7 +23,7 @@ var wrapper = {
     return sym;
   },
   valueOf: function() {
-    $ERROR("valueOf() called");
+    throw new Test262Error("valueOf() called");
   }
 };
 
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A10.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A10.js
index 8bef9171c9..54385a21a8 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A10.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A10.js
@@ -14,7 +14,7 @@ includes: [propertyHelper.js]
 
 //CHECK#1
 if (!(Object.prototype.propertyIsEnumerable.hasOwnProperty('length'))) {
-  $ERROR('#1: the Object.prototype.propertyIsEnumerable has length property');
+  throw new Test262Error('#1: the Object.prototype.propertyIsEnumerable has length property');
 }
 
 var obj = Object.prototype.propertyIsEnumerable.length;
@@ -25,5 +25,5 @@ verifyNotWritable(Object.prototype.propertyIsEnumerable, "length", null, functio
 
 //CHECK#2
 if (Object.prototype.propertyIsEnumerable.length !== obj) {
-  $ERROR('#2: the Object.prototype.propertyIsEnumerable length property has the attributes ReadOnly');
+  throw new Test262Error('#2: the Object.prototype.propertyIsEnumerable length property has the attributes ReadOnly');
 }
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A11.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A11.js
index 6c9cbe659b..35d2d5e2da 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A11.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A11.js
@@ -9,10 +9,10 @@ description: Checking the value of Object.prototype.hasOwnProperty.length
 
 //CHECK#1
 if (!(Object.prototype.propertyIsEnumerable.hasOwnProperty("length"))) {
-  $ERROR('#1: the Object.prototype.propertyIsEnumerable has length property');
+  throw new Test262Error('#1: the Object.prototype.propertyIsEnumerable has length property');
 }
 
 //CHECK#2
 if (Object.prototype.propertyIsEnumerable.length !== 1) {
-  $ERROR('#2: The length property of the toObject method is 1');
+  throw new Test262Error('#2: The length property of the toObject method is 1');
 }
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A1_T1.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A1_T1.js
index a571b5a297..c7e48df8f8 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A1_T1.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A1_T1.js
@@ -13,7 +13,7 @@ description: >
 
 //CHECK#1
 if (typeof Object.prototype.propertyIsEnumerable !== "function") {
-  $ERROR('#1: propertyIsEnumerable method is defined');
+  throw new Test262Error('#1: propertyIsEnumerable method is defined');
 }
 
 var proto = {
@@ -30,16 +30,16 @@ var seagull = new AVISFACTORY("seagull");
 
 //CHECK#2
 if (typeof seagull.propertyIsEnumerable !== "function") {
-  $ERROR('#2: propertyIsEnumerable method is accessed');
+  throw new Test262Error('#2: propertyIsEnumerable method is accessed');
 }
 
 //CHECK#3
 if (!(seagull.propertyIsEnumerable("name"))) {
-  $ERROR('#3: propertyIsEnumerable method works properly');
+  throw new Test262Error('#3: propertyIsEnumerable method works properly');
 }
 
 //CHECK#4
 if (seagull.propertyIsEnumerable("rootprop")) {
-  $ERROR('#4: propertyIsEnumerable method does not consider objects in the prototype chain');
+  throw new Test262Error('#4: propertyIsEnumerable method does not consider objects in the prototype chain');
 }
 //
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T1.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T1.js
index cdd3b579a5..df53c1359f 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T1.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T1.js
@@ -17,11 +17,11 @@ description: >
 
 //CHECK#1
 if (typeof Object.prototype.propertyIsEnumerable !== "function") {
-  $ERROR('#1: hasOwnProperty method is defined');
+  throw new Test262Error('#1: hasOwnProperty method is defined');
 }
 
 //CHECK#2
 if (Object.prototype.propertyIsEnumerable("propertyIsEnumerable")) {
-  $ERROR('#2: hasOwnProperty method works properly');
+  throw new Test262Error('#2: hasOwnProperty method works properly');
 }
 //
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T2.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T2.js
index 16aa7b4e27..c43d61ae41 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T2.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A2_T2.js
@@ -17,7 +17,7 @@ description: >
 
 //CHECK#1
 if (typeof Object.prototype.propertyIsEnumerable !== "function") {
-  $ERROR('#1: propertyIsEnumerable method is defined');
+  throw new Test262Error('#1: propertyIsEnumerable method is defined');
 }
 
 var obj = {
@@ -26,12 +26,12 @@ var obj = {
 
 //CHECK#2
 if (typeof obj.propertyIsEnumerable !== "function") {
-  $ERROR('#2: propertyIsEnumerable method is accessed');
+  throw new Test262Error('#2: propertyIsEnumerable method is accessed');
 }
 
 //CHECK#3
 if (!(obj.propertyIsEnumerable("the_property"))) {
-  $ERROR('#3: propertyIsEnumerable method works properly');
+  throw new Test262Error('#3: propertyIsEnumerable method works properly');
 }
 
 //CHECK#4
@@ -40,6 +40,6 @@ for (var prop in obj) {
   accum += prop;
 }
 if (accum.indexOf("the_property") !== 0) {
-  $ERROR('#4: enumerating works properly');
+  throw new Test262Error('#4: enumerating works properly');
 }
 //
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A6.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A6.js
index 001f70b48e..3c147edd62 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A6.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A6.js
@@ -11,6 +11,6 @@ description: >
 
 //CHECK#1
 if (Object.prototype.propertyIsEnumerable.prototype !== undefined) {
-  $ERROR('#1: Object.prototype.propertyIsEnumerable has not prototype property' + Object.prototype.propertyIsEnumerable.prototype);
+  throw new Test262Error('#1: Object.prototype.propertyIsEnumerable has not prototype property' + Object.prototype.propertyIsEnumerable.prototype);
 }
 //
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A8.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A8.js
index 70465fab8e..b625c00039 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A8.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A8.js
@@ -13,18 +13,18 @@ description: >
 
 //CHECK#0
 if (!(Object.prototype.propertyIsEnumerable.hasOwnProperty('length'))) {
-  $ERROR('#0: the Object.prototype.propertyIsEnumerable has length property');
+  throw new Test262Error('#0: the Object.prototype.propertyIsEnumerable has length property');
 }
 
 
 // CHECK#1
 if (Object.prototype.propertyIsEnumerable.propertyIsEnumerable('length')) {
-  $ERROR('#1: the Object.prototype.propertyIsEnumerable.length property has the attributes DontEnum');
+  throw new Test262Error('#1: the Object.prototype.propertyIsEnumerable.length property has the attributes DontEnum');
 }
 
 // CHECK#2
 for (var p in Object.prototype.propertyIsEnumerable) {
   if (p === "length")
-    $ERROR('#2: the Object.prototype.propertyIsEnumerable.length property has the attributes DontEnum');
+    throw new Test262Error('#2: the Object.prototype.propertyIsEnumerable.length property has the attributes DontEnum');
 }
 //
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A9.js b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A9.js
index b13e5f001c..de32336545 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A9.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A9.js
@@ -13,11 +13,11 @@ description: >
 
 //CHECK#0
 if (!(Object.prototype.propertyIsEnumerable.hasOwnProperty('length'))) {
-  $ERROR('#0: the Object.prototype.propertyIsEnumerable has length property');
+  throw new Test262Error('#0: the Object.prototype.propertyIsEnumerable has length property');
 }
 
 //CHECK#1
 if (!delete Object.prototype.propertyIsEnumerable.length) {
-  $ERROR('#1: The Object.prototype.propertyIsEnumerable.length property does not have the attributes DontDelete');
+  throw new Test262Error('#1: The Object.prototype.propertyIsEnumerable.length property does not have the attributes DontDelete');
 }
 //
diff --git a/test/built-ins/Object/prototype/propertyIsEnumerable/symbol_property_toString.js b/test/built-ins/Object/prototype/propertyIsEnumerable/symbol_property_toString.js
index 1d41f6ea4a..648fcd3360 100644
--- a/test/built-ins/Object/prototype/propertyIsEnumerable/symbol_property_toString.js
+++ b/test/built-ins/Object/prototype/propertyIsEnumerable/symbol_property_toString.js
@@ -23,7 +23,7 @@ var wrapper = {
     return sym;
   },
   valueOf: function() {
-    $ERROR("valueOf() called");
+    throw new Test262Error("valueOf() called");
   }
 };
 
diff --git a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A1.js b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A1.js
index c1fad81ff3..2cf1ea7ca2 100644
--- a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A1.js
+++ b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A1.js
@@ -11,15 +11,15 @@ description: >
 
 //CHECK#1
 if (typeof Object.prototype.toLocaleString !== "function") {
-  $ERROR('#1: toLocaleString method defined');
+  throw new Test262Error('#1: toLocaleString method defined');
 }
 
 //CHECK#2
 if (Object.prototype.toLocaleString() !== Object.prototype.toString()) {
-  $ERROR('#1: toLocaleString function returns the result of calling toString()');
+  throw new Test262Error('#1: toLocaleString function returns the result of calling toString()');
 }
 
 //CHECK#2
 if ({}.toLocaleString() !== {}.toString()) {
-  $ERROR('#2: toLocaleString function returns the result of calling toString()');
+  throw new Test262Error('#2: toLocaleString function returns the result of calling toString()');
 }
diff --git a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A10.js b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A10.js
index 874c1a86a1..dfdb84f0cc 100644
--- a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A10.js
+++ b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A10.js
@@ -14,7 +14,7 @@ includes: [propertyHelper.js]
 
 //CHECK#1
 if (!(Object.prototype.toLocaleString.hasOwnProperty('length'))) {
-  $ERROR('#1: the Object.prototype.toLocaleString has length property.');
+  throw new Test262Error('#1: the Object.prototype.toLocaleString has length property.');
 }
 
 var obj = Object.prototype.toLocaleString.length;
@@ -25,5 +25,5 @@ verifyNotWritable(Object.prototype.toLocaleString, "length", null, function() {
 
 //CHECK#2
 if (Object.prototype.toLocaleString.length !== obj) {
-  $ERROR('#2: the Object.prototype.toLocaleString length property has the attributes ReadOnly.');
+  throw new Test262Error('#2: the Object.prototype.toLocaleString length property has the attributes ReadOnly.');
 }
diff --git a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A11.js b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A11.js
index 41828b41fd..d75b565d4e 100644
--- a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A11.js
+++ b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A11.js
@@ -9,10 +9,10 @@ description: Checking the Object.prototype.toLocaleString.length
 
 //CHECK#1
 if (!(Object.prototype.toLocaleString.hasOwnProperty("length"))) {
-  $ERROR('#1: The length property of the toLocaleString method is 0');
+  throw new Test262Error('#1: The length property of the toLocaleString method is 0');
 }
 
 //CHECK#2
 if (Object.prototype.toLocaleString.length !== 0) {
-  $ERROR('#2: The length property of the toLocaleString method is 0');
+  throw new Test262Error('#2: The length property of the toLocaleString method is 0');
 }
diff --git a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A6.js b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A6.js
index 21474c3d61..8b91c83818 100644
--- a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A6.js
+++ b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A6.js
@@ -11,6 +11,6 @@ description: >
 
 //CHECK#1
 if (Object.prototype.toLocaleString.prototype !== undefined) {
-  $ERROR('#1: Object.prototype.toLocaleString has not prototype property' + Object.prototype.toLocaleString.prototype);
+  throw new Test262Error('#1: Object.prototype.toLocaleString has not prototype property' + Object.prototype.toLocaleString.prototype);
 }
 //
diff --git a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A8.js b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A8.js
index 4e6402e8ce..8ccaaaa0dd 100644
--- a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A8.js
+++ b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A8.js
@@ -13,18 +13,18 @@ description: >
 
 //CHECK#0
 if (!(Object.prototype.toLocaleString.hasOwnProperty('length'))) {
-  $ERROR('#0: the Object.prototype.toLocaleString has length property.');
+  throw new Test262Error('#0: the Object.prototype.toLocaleString has length property.');
 }
 
 
 // CHECK#1
 if (Object.prototype.toLocaleString.propertyIsEnumerable('length')) {
-  $ERROR('#1: the Object.prototype.toLocaleString.length property has the attributes DontEnum');
+  throw new Test262Error('#1: the Object.prototype.toLocaleString.length property has the attributes DontEnum');
 }
 
 // CHECK#2
 for (var p in Object.prototype.toLocaleString) {
   if (p === "length")
-    $ERROR('#2: the Object.prototype.toLocaleString.length property has the attributes DontEnum');
+    throw new Test262Error('#2: the Object.prototype.toLocaleString.length property has the attributes DontEnum');
 }
 //
diff --git a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A9.js b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A9.js
index 546b6b7891..9ad9048933 100644
--- a/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A9.js
+++ b/test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A9.js
@@ -13,15 +13,15 @@ description: >
 
 //CHECK#0
 if (!(Object.prototype.toLocaleString.hasOwnProperty('length'))) {
-  $ERROR('#0: the Object.prototype.toLocaleString has length property');
+  throw new Test262Error('#0: the Object.prototype.toLocaleString has length property');
 }
 
 //CHECK#1
 if (!delete Object.prototype.toLocaleString.length) {
-  $ERROR('#1: The Object.prototype.toLocaleString.length property does not have the attributes DontDelete');
+  throw new Test262Error('#1: The Object.prototype.toLocaleString.length property does not have the attributes DontDelete');
 }
 
 //CHECK#2
 if (Object.prototype.toLocaleString.hasOwnProperty('length')) {
-  $ERROR('#2: The Object.prototype.toLocaleString.length property does not have the attributes DontDelete');
+  throw new Test262Error('#2: The Object.prototype.toLocaleString.length property does not have the attributes DontDelete');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A10.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A10.js
index c8d3c25a5b..87bf53f3a3 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A10.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A10.js
@@ -12,7 +12,7 @@ includes: [propertyHelper.js]
 
 //CHECK#1
 if (!(Object.prototype.valueOf.hasOwnProperty('length'))) {
-  $ERROR('#1: the Object.prototype.valueOf has length property.');
+  throw new Test262Error('#1: the Object.prototype.valueOf has length property.');
 }
 
 var obj = Object.prototype.valueOf.length;
@@ -23,5 +23,5 @@ verifyNotWritable(Object.prototype.valueOf, "length", null, function() {
 
 //CHECK#2
 if (Object.prototype.valueOf.length !== obj) {
-  $ERROR('#2: the Object.prototype.valueOf length property has the attributes ReadOnly.');
+  throw new Test262Error('#2: the Object.prototype.valueOf length property has the attributes ReadOnly.');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A11.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A11.js
index 7ed73a36d5..a458389c8f 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A11.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A11.js
@@ -9,10 +9,10 @@ description: Checking the Object.prototype.valueOf.length
 
 //CHECK#1
 if (!(Object.prototype.valueOf.hasOwnProperty("length"))) {
-  $ERROR('#1: The length property of the toObject method is 0');
+  throw new Test262Error('#1: The length property of the toObject method is 0');
 }
 
 //CHECK#2
 if (Object.prototype.valueOf.length !== 0) {
-  $ERROR('#2: The length property of the toObject method is 0');
+  throw new Test262Error('#2: The length property of the toObject method is 0');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T1.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T1.js
index 31e763a474..8b92b63bf5 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T1.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T1.js
@@ -9,17 +9,17 @@ description: "\"this\" value is a number"
 
 //CHECK#1
 if (typeof Object.prototype.valueOf !== "function") {
-  $ERROR('#1: valueOf method defined');
+  throw new Test262Error('#1: valueOf method defined');
 }
 
 var obj = new Object(1.1);
 
 //CHECK#2
 if (typeof obj.valueOf !== "function") {
-  $ERROR('#2: valueOf method accessed');
+  throw new Test262Error('#2: valueOf method accessed');
 }
 
 //CHECK#3
 if (obj.valueOf() !== 1.1) {
-  $ERROR('#3: The valueOf method returns its this value');
+  throw new Test262Error('#3: The valueOf method returns its this value');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T2.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T2.js
index 116cfeec6b..f9957da53a 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T2.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T2.js
@@ -9,17 +9,17 @@ description: "\"this\" value is a boolean"
 
 //CHECK#1
 if (typeof Object.prototype.valueOf !== "function") {
-  $ERROR('#1: valueOf method defined');
+  throw new Test262Error('#1: valueOf method defined');
 }
 
 var obj = new Object(true);
 
 //CHECK#2
 if (typeof obj.valueOf !== "function") {
-  $ERROR('#2: valueOf method accessed');
+  throw new Test262Error('#2: valueOf method accessed');
 }
 
 //CHECK#3
 if (obj.valueOf() !== true) {
-  $ERROR('#3: The valueOf method returns its this value');
+  throw new Test262Error('#3: The valueOf method returns its this value');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T3.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T3.js
index 7a62551a31..0696660a84 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T3.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T3.js
@@ -9,17 +9,17 @@ description: "\"this\" value is a string"
 
 //CHECK#1
 if (typeof Object.prototype.valueOf !== "function") {
-  $ERROR('#1: valueOf method defined');
+  throw new Test262Error('#1: valueOf method defined');
 }
 
 var obj = new Object("greenfield");
 
 //CHECK#2
 if (typeof obj.valueOf !== "function") {
-  $ERROR('#2: valueOf method accessed');
+  throw new Test262Error('#2: valueOf method accessed');
 }
 
 //CHECK#3
 if (obj.valueOf() !== "greenfield") {
-  $ERROR('#3: The valueOf method returns its this value');
+  throw new Test262Error('#3: The valueOf method returns its this value');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T4.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T4.js
index b5e10ce3f8..85e4c711be 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T4.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T4.js
@@ -9,17 +9,17 @@ description: "\"this\" value is an object"
 
 //CHECK#1
 if (typeof Object.prototype.valueOf !== "function") {
-  $ERROR('#1: valueOf method defined');
+  throw new Test262Error('#1: valueOf method defined');
 }
 
 var obj = new Object;
 
 //CHECK#2
 if (typeof obj.valueOf !== "function") {
-  $ERROR('#2: valueOf method accessed');
+  throw new Test262Error('#2: valueOf method accessed');
 }
 
 //CHECK#3
 if (obj.valueOf() !== obj) {
-  $ERROR('#3: The valueOf method returns its this value');
+  throw new Test262Error('#3: The valueOf method returns its this value');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T5.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T5.js
index ad158cea26..b18598e28b 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T5.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T5.js
@@ -9,17 +9,17 @@ description: "\"this\" value is \"null\""
 
 //CHECK#1
 if (typeof Object.prototype.valueOf !== "function") {
-  $ERROR('#1: valueOf method defined');
+  throw new Test262Error('#1: valueOf method defined');
 }
 
 var obj = new Object(null);
 
 //CHECK#2
 if (typeof obj.valueOf !== "function") {
-  $ERROR('#2: valueOf method accessed');
+  throw new Test262Error('#2: valueOf method accessed');
 }
 
 //CHECK#3
 if (obj.valueOf() !== obj) {
-  $ERROR('#3: The valueOf method returns its this value');
+  throw new Test262Error('#3: The valueOf method returns its this value');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T6.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T6.js
index b371d63d08..b37d43f01f 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T6.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T6.js
@@ -9,17 +9,17 @@ description: "\"this\" value is \"undefined\""
 
 //CHECK#1
 if (typeof Object.prototype.valueOf !== "function") {
-  $ERROR('#1: valueOf method defined');
+  throw new Test262Error('#1: valueOf method defined');
 }
 
 var obj = new Object(undefined);
 
 //CHECK#2
 if (typeof obj.valueOf !== "function") {
-  $ERROR('#2: valueOf method accessed');
+  throw new Test262Error('#2: valueOf method accessed');
 }
 
 //CHECK#3
 if (obj.valueOf() !== obj) {
-  $ERROR('#3: The valueOf method returns its this value');
+  throw new Test262Error('#3: The valueOf method returns its this value');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T7.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T7.js
index 61befa57cd..6c8a26d36e 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T7.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A1_T7.js
@@ -9,17 +9,17 @@ description: "\"this\" value is \"void 0\""
 
 //CHECK#1
 if (typeof Object.prototype.valueOf !== "function") {
-  $ERROR('#1: valueOf method defined');
+  throw new Test262Error('#1: valueOf method defined');
 }
 
 var obj = new Object(void 0);
 
 //CHECK#2
 if (typeof obj.valueOf !== "function") {
-  $ERROR('#2: valueOf method accessed');
+  throw new Test262Error('#2: valueOf method accessed');
 }
 
 //CHECK#3
 if (obj.valueOf() !== obj) {
-  $ERROR('#3: The valueOf method returns its this value');
+  throw new Test262Error('#3: The valueOf method returns its this value');
 }
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A6.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A6.js
index 931f2d41f5..bf374ff792 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A6.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A6.js
@@ -11,6 +11,6 @@ description: >
 
 //CHECK#1
 if (Object.prototype.valueOf.prototype !== undefined) {
-  $ERROR('#1: Object.prototype.valueOf has not prototype property' + Object.prototype.valueOf.prototype);
+  throw new Test262Error('#1: Object.prototype.valueOf has not prototype property' + Object.prototype.valueOf.prototype);
 }
 //
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A8.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A8.js
index 424e643306..85d4bd9b79 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A8.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A8.js
@@ -11,18 +11,18 @@ description: >
 
 //CHECK#0
 if (!(Object.prototype.valueOf.hasOwnProperty('length'))) {
-  $ERROR('#0: the Object.prototype.valueOf has length property.');
+  throw new Test262Error('#0: the Object.prototype.valueOf has length property.');
 }
 
 
 // CHECK#1
 if (Object.prototype.valueOf.propertyIsEnumerable('length')) {
-  $ERROR('#1: the Object.prototype.valueOf.length property has the attributes DontEnum');
+  throw new Test262Error('#1: the Object.prototype.valueOf.length property has the attributes DontEnum');
 }
 
 // CHECK#2
 for (var p in Object.prototype.valueOf) {
   if (p === "length")
-    $ERROR('#2: the Object.prototype.valueOf.length property has the attributes DontEnum');
+    throw new Test262Error('#2: the Object.prototype.valueOf.length property has the attributes DontEnum');
 }
 //
diff --git a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A9.js b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A9.js
index ef8a4b8035..a5d2960c29 100644
--- a/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A9.js
+++ b/test/built-ins/Object/prototype/valueOf/S15.2.4.4_A9.js
@@ -13,15 +13,15 @@ description: >
 
 //CHECK#0
 if (!(Object.prototype.valueOf.hasOwnProperty('length'))) {
-  $ERROR('#0: the Object.prototype.valueOf has length property');
+  throw new Test262Error('#0: the Object.prototype.valueOf has length property');
 }
 
 //CHECK#1
 if (!delete Object.prototype.valueOf.length) {
-  $ERROR('#1: The Object.prototype.valueOf.length property does not have the attributes DontDelete');
+  throw new Test262Error('#1: The Object.prototype.valueOf.length property does not have the attributes DontDelete');
 }
 
 //CHECK#2
 if (Object.prototype.valueOf.hasOwnProperty('length')) {
-  $ERROR('#2: The Object.prototype.valueOf.length property does not have the attributes DontDelete');
+  throw new Test262Error('#2: The Object.prototype.valueOf.length property does not have the attributes DontDelete');
 }
diff --git a/test/built-ins/Object/seal/configurable-attribute-all-own-properties-set-from-true-to-false-property-are-unaltered.js b/test/built-ins/Object/seal/configurable-attribute-all-own-properties-set-from-true-to-false-property-are-unaltered.js
index 03ba9015e4..2434aa78fb 100644
--- a/test/built-ins/Object/seal/configurable-attribute-all-own-properties-set-from-true-to-false-property-are-unaltered.js
+++ b/test/built-ins/Object/seal/configurable-attribute-all-own-properties-set-from-true-to-false-property-are-unaltered.js
@@ -37,7 +37,7 @@ var preCheck = Object.isExtensible(obj);
 Object.seal(obj);
 
 if (!preCheck) {
-  $ERROR('Expected preCheck to be true, actually ' + preCheck);
+  throw new Test262Error('Expected preCheck to be true, actually ' + preCheck);
 }
 
 
diff --git a/test/built-ins/Object/seal/configurable-attribute-own-accessor-property-set-from-true-to-false-property-are-unaltered.js b/test/built-ins/Object/seal/configurable-attribute-own-accessor-property-set-from-true-to-false-property-are-unaltered.js
index 315d7039a9..6c1f428277 100644
--- a/test/built-ins/Object/seal/configurable-attribute-own-accessor-property-set-from-true-to-false-property-are-unaltered.js
+++ b/test/built-ins/Object/seal/configurable-attribute-own-accessor-property-set-from-true-to-false-property-are-unaltered.js
@@ -30,7 +30,7 @@ var preCheck = Object.isExtensible(obj);
 Object.seal(obj);
 
 if (!preCheck) {
-  $ERROR('Expected preCheck to be true, actually ' + preCheck);
+  throw new Test262Error('Expected preCheck to be true, actually ' + preCheck);
 }
 
 verifyEqualTo(obj, "foo", getFunc());
diff --git a/test/built-ins/Object/seal/object-seal-all-own-properties-of-o-are-already-non-configurable.js b/test/built-ins/Object/seal/object-seal-all-own-properties-of-o-are-already-non-configurable.js
index d9c5411418..819cc0c762 100644
--- a/test/built-ins/Object/seal/object-seal-all-own-properties-of-o-are-already-non-configurable.js
+++ b/test/built-ins/Object/seal/object-seal-all-own-properties-of-o-are-already-non-configurable.js
@@ -34,13 +34,13 @@ Object.defineProperty(obj, "foo2", {
 });
 
 if (!Object.isExtensible(obj)) {
-  $ERROR('Expected obj to be extensible, actually ' + Object.isExtensible(obj));
+  throw new Test262Error('Expected obj to be extensible, actually ' + Object.isExtensible(obj));
 }
 
 Object.seal(obj);
 
 if (Object.isExtensible(obj)) {
-  $ERROR('Expected obj NOT to be extensible, actually ' + Object.isExtensible(obj));
+  throw new Test262Error('Expected obj NOT to be extensible, actually ' + Object.isExtensible(obj));
 }
 
 verifyEqualTo(obj, "foo1", 10);
diff --git a/test/built-ins/Object/seal/object-seal-configurable-attribute-of-own-data-property-of-o-is-set-from-true-to-false-and-other-attributes-of-the-property-are-unaltered.js b/test/built-ins/Object/seal/object-seal-configurable-attribute-of-own-data-property-of-o-is-set-from-true-to-false-and-other-attributes-of-the-property-are-unaltered.js
index db6ca9b1b0..17f53602f9 100644
--- a/test/built-ins/Object/seal/object-seal-configurable-attribute-of-own-data-property-of-o-is-set-from-true-to-false-and-other-attributes-of-the-property-are-unaltered.js
+++ b/test/built-ins/Object/seal/object-seal-configurable-attribute-of-own-data-property-of-o-is-set-from-true-to-false-and-other-attributes-of-the-property-are-unaltered.js
@@ -22,7 +22,7 @@ var preCheck = Object.isExtensible(obj);
 Object.seal(obj);
 
 if (!preCheck) {
-  $ERROR('Expected preCheck to be true, actually ' + preCheck);
+  throw new Test262Error('Expected preCheck to be true, actually ' + preCheck);
 }
 
 verifyEqualTo(obj, "foo", 10);
diff --git a/test/built-ins/Object/setPrototypeOf/bigint.js b/test/built-ins/Object/setPrototypeOf/bigint.js
index e3a3fceda1..454e5ee1e8 100644
--- a/test/built-ins/Object/setPrototypeOf/bigint.js
+++ b/test/built-ins/Object/setPrototypeOf/bigint.js
@@ -10,7 +10,7 @@ features: [BigInt]
 try {
   let {} = 0n;
 } catch (e) {
-  $ERROR('Expected RequireObjectCoercible to succeed for BigInt values');
+  throw new Test262Error('Expected RequireObjectCoercible to succeed for BigInt values');
 }
 
 assert.sameValue(Object.setPrototypeOf(0n, null), 0n);
diff --git a/test/built-ins/Object/values/exception-during-enumeration.js b/test/built-ins/Object/values/exception-during-enumeration.js
index 0446a33c52..b28545a940 100644
--- a/test/built-ins/Object/values/exception-during-enumeration.js
+++ b/test/built-ins/Object/values/exception-during-enumeration.js
@@ -12,7 +12,7 @@ var trappedKey = {
     throw new RangeError('This error should be re-thrown');
   },
   get b() {
-    $ERROR('Should not try to get the second element');
+    throw new Test262Error('Should not try to get the second element');
   }
 };
 
diff --git a/test/built-ins/Object/values/tamper-with-global-object.js b/test/built-ins/Object/values/tamper-with-global-object.js
index 86d5340465..2fb2454898 100644
--- a/test/built-ins/Object/values/tamper-with-global-object.js
+++ b/test/built-ins/Object/values/tamper-with-global-object.js
@@ -9,7 +9,7 @@ author: Jordan Harband
 ---*/
 
 function fakeObject() {
-  $ERROR('The overriden version of Object was called!');
+  throw new Test262Error('The overriden version of Object was called!');
 }
 fakeObject.values = Object.values;
 
diff --git a/test/built-ins/Object/values/tamper-with-object-keys.js b/test/built-ins/Object/values/tamper-with-object-keys.js
index 51dfbf5c46..bcb65f3762 100644
--- a/test/built-ins/Object/values/tamper-with-object-keys.js
+++ b/test/built-ins/Object/values/tamper-with-object-keys.js
@@ -9,7 +9,7 @@ author: Jordan Harband
 ---*/
 
 function fakeObjectKeys() {
-  $ERROR('The overriden version of Object.keys was called!');
+  throw new Test262Error('The overriden version of Object.keys was called!');
 }
 
 Object.keys = fakeObjectKeys;