Fix tautological pattern in tests

In neglecting to assert the type of error thrown (or that any error was
thrown at all), these tests cannot fail. Refactor the tests to use the
`assert.throws` helper method, which takes these details into
consideration.

test/built-ins/Function/prototype/S15.3.4_A5.js

@@ -7,15 +7,8 @@ info: >
     [[Construct]] property
 es5id: 15.3.4_A5
 description: Checking if creating "new Function.prototype object" fails
-includes:
-    - $PRINT.js
 ---*/
 
-//CHECK#
-try {
-  var obj = new Function.prototype;
-  $ERROR('#1: The Function prototype object is itself a Function object without [[Construct]] property: '+e);
-} catch (e) {
-  $PRINT("#1.1: The Function prototype object is itself a Function object without [[Construct]] property "+e);
-
-}
+assert.throws(TypeError, function() {
+  new Function.prototype;
+});

test/built-ins/Function/prototype/toString/S15.3.4.2_A7.js

@@ -5,15 +5,10 @@
 info: Function.prototype.toString can't be used as constructor
 es5id: 15.3.4.2_A7
 description: Checking if creating "new Function.prototype.toString" fails
-includes:
-    - $PRINT.js
 ---*/
 
 var FACTORY = Function.prototype.toString;
 
-try {
-  var instance = new FACTORY;
-  $ERROR('#1: Function.prototype.toString can\'t be used as constructor');
-} catch (e) {
-  $PRINT(e);
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/Object/prototype/S15.2.4_A3.js

@@ -7,14 +7,8 @@ info: >
     method
 es5id: 15.2.4_A3
 description: Checking if calling Object prototype as a function fails
-includes:
-    - $PRINT.js
 ---*/
 
-//CHECK#1
-try {
+assert.throws(TypeError, function() {
   Object.prototype();
-  $ERROR('#1: Since Object prototype object is not function it has not [[call]] method');
-} catch (e) {
-  $PRINT(e);
-}
+});

test/built-ins/Object/prototype/S15.2.4_A4.js

@@ -7,14 +7,8 @@ info: >
     [[create]] method
 es5id: 15.2.4_A4
 description: Checking if creating "new Object.prototype" fails
-includes:
-    - $PRINT.js
 ---*/
 
-//CHECK#1
-try {
-  var instance = new Object.prototype;
-  $ERROR('#1: Since Object prototype object is not function it has not [[create]] method');
-} catch (e) {
-  $PRINT(e);
-}
+assert.throws(TypeError, function() {
+  new Object.prototype;
+});

test/built-ins/Object/prototype/hasOwnProperty/S15.2.4.5_A7.js

@@ -11,10 +11,6 @@ includes:
 
 var FACTORY = Object.prototype.hasOwnProperty;
 
-try {
-  var instance = new FACTORY;
-  $ERROR('#1: Object.prototype.hasOwnProperty can\'t be used as a constructor');
-} catch (e) {
-  $PRINT(e);
-
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/Object/prototype/isPrototypeOf/S15.2.4.6_A7.js

@@ -5,16 +5,10 @@
 info: Object.prototype.isPrototypeOf can't be used as a constructor
 es5id: 15.2.4.6_A7
 description: Checking if creating new "Object.prototype.isPrototypeOf" fails
-includes:
-    - $PRINT.js
 ---*/
 
 var FACTORY = Object.prototype.isPrototypeOf;
 
-try {
-  var instance = new FACTORY;
-  $ERROR('#1: Object.prototype.isPrototypeOf can\'t be used as a constructor');
-} catch (e) {
-  $PRINT(e);
-
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A7.js

@@ -7,16 +7,10 @@ es5id: 15.2.4.7_A7
 description: >
     Checking if creating "new Object.prototype.propertyIsEnumerable"
     fails
-includes:
-    - $PRINT.js
 ---*/
 
 var FACTORY = Object.prototype.propertyIsEnumerable;
 
-try {
-  var instance = new FACTORY;
-  $ERROR('#1: Object.prototype.propertyIsEnumerable can\'t be used as a constructor');
-} catch (e) {
-  $PRINT(e);
-
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/Object/prototype/toLocaleString/S15.2.4.3_A7.js

@@ -5,16 +5,10 @@
 info: Object.prototype.toLocaleString can't be used as a constructor
 es5id: 15.2.4.3_A7
 description: Checking if creating "new Object.prototype.toLocaleString" fails
-includes:
-    - $PRINT.js
 ---*/
 
 var FACTORY = Object.prototype.toLocaleString;
 
-try {
-  var instance = new FACTORY;
-  $ERROR('#1: Object.prototype.toLocaleString can\'t be used as a constructor');
-} catch (e) {
-  $PRINT(e);
-
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/Object/prototype/toString/S15.2.4.2_A7.js

@@ -5,15 +5,10 @@
 info: Object.prototype.toString can't be used as a constructor
 es5id: 15.2.4.2_A7
 description: Checking if creating "new Object.prototype.toString" fails
-includes:
-    - $PRINT.js
 ---*/
 
 var FACTORY = Object.prototype.toString;
 
-try {
-  var instance = new FACTORY;
-  $ERROR('#1: Object.prototype.toString can\'t be used as a constructor');
-} catch (e) {
-  $PRINT(e);
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/Object/prototype/valueOf/S15.2.4.4_A7.js

@@ -11,10 +11,6 @@ includes:
 
 var FACTORY = Object.prototype.valueOf;
 
-try {
-  var instance = new FACTORY;
-  $ERROR('#1: Object.prototype.valueOf can\'t be used as a constructor');
-} catch (e) {
-  $PRINT(e);
-
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A7.js

@@ -5,15 +5,10 @@
 info: String.prototype.lastIndexOf can't be used as constructor
 es5id: 15.5.4.8_A7
 description: Checking if creating the String.prototype.lastIndexOf object fails
-includes:
-    - $PRINT.js
 ---*/
 
-var __FACTORY = String.prototype.lastIndexOf;
+var FACTORY = String.prototype.lastIndexOf;
 
-try {
-  var __instance = new __FACTORY;
-  $ERROR('#1: __FACTORY = String.prototype.lastIndexOf; __instance = new __FACTORY lead to throwing exception');
-} catch (e) {
-  $PRINT(e);
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/built-ins/String/prototype/slice/S15.5.4.13_A7.js

@@ -5,15 +5,10 @@
 info: String.prototype.slice can't be used as constructor
 es5id: 15.5.4.13_A7
 description: Checking if creating the String.prototype.slice object fails
-includes:
-    - $PRINT.js
 ---*/
 
-var __FACTORY = String.prototype.slice;
+var FACTORY = String.prototype.slice;
 
-try {
-  var __instance = new __FACTORY;
-  $ERROR('#1: __FACTORY = String.prototype.slice; "__instance = new __FACTORY" lead to throwing exception');
-} catch (e) {
-  $PRINT(e);
-}
+assert.throws(TypeError, function() {
+  new FACTORY;
+});

test/language/statements/block/S12.1_A2.js

@@ -13,12 +13,12 @@ includes: [$PRINT.js]
 
 //////////////////////////////////////////////////////////////////////////////
 //CHECK#1
-try {
-	x();
-	$ERROR('#1: "x()" lead to throwing exception');
-} catch (e) {
-	$PRINT(e.message);
-}
+assert.throws(ReferenceError, function() {
+	{
+		x();
+	}
+});
+
 //
 //////////////////////////////////////////////////////////////////////////////
 

test/language/statements/variable/S12.2_A1.js

@@ -8,7 +8,6 @@ info: >
     VariableStatement is executed, not when the variable is created
 es5id: 12.2_A1
 description: Creating variables after entering the execution scope
-includes: [$PRINT.js]
 ---*/
 
 //////////////////////////////////////////////////////////////////////////////
@@ -25,12 +24,9 @@ try {
 
 //////////////////////////////////////////////////////////////////////////////
 //CHECK#2
-try{
+assert.throws(ReferenceError, function() {
     __something__undefined = __something__undefined;
-    $ERROR('#2: "__something__undefined = __something__undefined" lead to throwing exception');
-} catch(e){
-    $PRINT(e.message);
-}
+});
 //
 //////////////////////////////////////////////////////////////////////////////
 

test/language/statements/variable/S12.2_A5.js

@@ -7,18 +7,14 @@ info: >
     reaches the eval statement
 es5id: 12.2_A5
 description: Executing eval("var x")
-includes: [$PRINT.js]
 flags: [noStrict]
 ---*/
 
 //////////////////////////////////////////////////////////////////////////////
 //CHECK#1
-try{
+assert.throws(ReferenceError, function() {
 	x=x;
-	$ERROR('#1: "x=x" lead to throwing exception');
-}catch(e){
-	$PRINT(e.message);
-};
+});
 //
 //////////////////////////////////////////////////////////////////////////////