diff --git a/test/built-ins/TypedArrays/buffer-argument-byteoffset-throws-from-modulo-element-size.js b/test/built-ins/TypedArrays/buffer-argument-byteoffset-throws-from-modulo-element-size.js
index 6bab1c7e1e..0f0819e0ce 100644
--- a/test/built-ins/TypedArrays/buffer-argument-byteoffset-throws-from-modulo-element-size.js
+++ b/test/built-ins/TypedArrays/buffer-argument-byteoffset-throws-from-modulo-element-size.js
@@ -12,7 +12,7 @@ info: >
   object has an [[ArrayBufferData]] internal slot.
 
   ...
-  9. If offset modulo elementSize ≠ 0, throw a RangeError exception.
+  10. If offset modulo elementSize ≠ 0, throw a RangeError exception.
   ...
 includes: [testTypedArray.js]
 ---*/
diff --git a/test/built-ins/TypedArrays/buffer-argument-is-referenced.js b/test/built-ins/TypedArrays/buffer-argument-is-referenced.js
index ef331db521..d9fbc5ead5 100644
--- a/test/built-ins/TypedArrays/buffer-argument-is-referenced.js
+++ b/test/built-ins/TypedArrays/buffer-argument-is-referenced.js
@@ -20,10 +20,12 @@ includes: [testTypedArray.js]
 testWithTypedArrayConstructors(function(TA) {
   var bpe = TA.BYTES_PER_ELEMENT;
 
-  var buffer = new ArrayBuffer(bpe * 4);
+  var buffer = new ArrayBuffer(bpe);
 
   var ta1 = new TA(buffer);
   var ta2 = new TA(buffer);
 
+  assert.sameValue(ta1.buffer, buffer);
+  assert.sameValue(ta2.buffer, buffer);
   assert.sameValue(ta1.buffer, ta2.buffer);
 });
diff --git a/test/built-ins/TypedArrays/called-with-length-return-object.js b/test/built-ins/TypedArrays/called-with-length-return-object.js
index 669c113550..4ee88b9f3b 100644
--- a/test/built-ins/TypedArrays/called-with-length-return-object.js
+++ b/test/built-ins/TypedArrays/called-with-length-return-object.js
@@ -24,10 +24,10 @@ includes: [testTypedArray.js]
 
 testWithTypedArrayConstructors(function(TA) {
   var typedArray = new TA(4);
-  var bytesPerElement = TA.BYTES_PER_ELEMENT;
   var length = typedArray.length;
 
   assert.sameValue(length, 4, "length");
+  assert.sameValue(typedArray.constructor, TA);
   assert.sameValue(
     Object.getPrototypeOf(typedArray), TA.prototype,
     "Object.getPrototypeOf(typedArray)"
diff --git a/test/built-ins/TypedArrays/called-with-typedarray-return-new-instance.js b/test/built-ins/TypedArrays/called-with-typedarray-return-new-instance.js
index 232692fb69..6971dfcb18 100644
--- a/test/built-ins/TypedArrays/called-with-typedarray-return-new-instance.js
+++ b/test/built-ins/TypedArrays/called-with-typedarray-return-new-instance.js
@@ -22,7 +22,6 @@ var typedArraySample = new Int8Array(length);
 
 testWithTypedArrayConstructors(function(TA) {
   var typedArray = new TA(typedArraySample);
-  var bytesPerElement = TA.BYTES_PER_ELEMENT;
 
   assert.notSameValue(typedArray, typedArraySample);
   assert.sameValue(typedArray.length, length);
diff --git a/test/built-ins/TypedArrays/object-argument-length-excessive-throws.js b/test/built-ins/TypedArrays/object-argument-length-excessive-throws.js
index 1f802c2dd6..f1d3034155 100644
--- a/test/built-ins/TypedArrays/object-argument-length-excessive-throws.js
+++ b/test/built-ins/TypedArrays/object-argument-length-excessive-throws.js
@@ -16,7 +16,6 @@ info: >
   6. Perform ? AllocateTypedArrayBuffer(O, len).
   ...
 includes: [testTypedArray.js]
-features: [Symbol]
 ---*/
 
 var obj = {
diff --git a/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-ctor-species-not-ctor.js b/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-ctor-species-not-ctor.js
index c8721e25c5..b082b0439d 100644
--- a/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-ctor-species-not-ctor.js
+++ b/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-ctor-species-not-ctor.js
@@ -30,15 +30,17 @@ features: [Symbol.species]
 var sample1 = new Int8Array();
 var sample2 = new Int16Array();
 
+var ctor = function() {
+  throw new Test262Error();
+};
+var m = { m() {} }.m;
+ctor[Symbol.species] = m;
+
 testWithTypedArrayConstructors(function(TA) {
   var sample = TA === Int8Array ? sample2 : sample1;
-  var ctor = {};
-  var o = { m() {} };
 
   sample.buffer.constructor = ctor;
 
-  ctor[Symbol.species] = o.m;
-
   assert.throws(TypeError, function() {
     new TA(sample);
   });
diff --git a/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-returns-abrupt-from-constructor-value.js b/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-returns-abrupt-from-constructor-value.js
index 5055fa2f84..5ceb8d3686 100644
--- a/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-returns-abrupt-from-constructor-value.js
+++ b/test/built-ins/TypedArrays/other-typedarray-ctor-argument-buffer-returns-abrupt-from-constructor-value.js
@@ -32,58 +32,29 @@ var sample2 = new Int16Array();
 
 testWithTypedArrayConstructors(function(TA) {
   var sample = TA === Int8Array ? sample2 : sample1;
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return 1;
-    },
-    configurable: true
-  });
 
+  sample.buffer.constructor = 1;
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return true;
-    },
-    configurable: true
-  });
-
+  sample.buffer.constructor = true;
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return '';
-    },
-    configurable: true
-  });
-
+  sample.buffer.constructor = "";
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return null;
-    },
-    configurable: true
-  });
-
+  sample.buffer.constructor = null;
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
-  var s = Symbol('1');
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return s;
-    },
-    configurable: true
-  });
-
+  var s = Symbol("1");
+  sample.buffer.constructor = s;
   assert.throws(TypeError, function() {
     new TA(sample);
   });
diff --git a/test/built-ins/TypedArrays/same-typedarray-ctor-argument-returns-new-cloned-typedarray.js b/test/built-ins/TypedArrays/same-typedarray-ctor-argument-returns-new-cloned-typedarray.js
index 4f67a1b930..5d78db9db2 100644
--- a/test/built-ins/TypedArrays/same-typedarray-ctor-argument-returns-new-cloned-typedarray.js
+++ b/test/built-ins/TypedArrays/same-typedarray-ctor-argument-returns-new-cloned-typedarray.js
@@ -25,5 +25,7 @@ testWithTypedArrayConstructors(function(TA) {
 
   assert.sameValue(typedArray.length, 7);
   assert.notSameValue(typedArray, sample);
+  assert.notSameValue(typedArray.buffer, sample.buffer);
+  assert.sameValue(typedArray.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(typedArray), TA.prototype);
 });