3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/length.js b/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/length.js
index c7b43eed8a..20e1065b81 100644
--- a/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/length.js
+++ b/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/length.js
@@ -19,10 +19,11 @@ features: [Symbol.iterator]
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(String.prototype[Symbol.iterator].length, 0);
-
-verifyNotEnumerable(String.prototype[Symbol.iterator], 'length');
-verifyNotWritable(String.prototype[Symbol.iterator], 'length');
-verifyConfigurable(String.prototype[Symbol.iterator], 'length');
+verifyProperty(String.prototype[Symbol.iterator], "length", {
+  value: 0,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/name.js b/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/name.js
index 29f1ffc52e..a4471724c5 100644
--- a/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/name.js
+++ b/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/name.js
@@ -22,10 +22,11 @@ features: [Symbol.iterator]
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(String.prototype[Symbol.iterator].name, '[Symbol.iterator]');
-
-verifyNotEnumerable(String.prototype[Symbol.iterator], 'name');
-verifyNotWritable(String.prototype[Symbol.iterator], 'name');
-verifyConfigurable(String.prototype[Symbol.iterator], 'name');
+verifyProperty(String.prototype[Symbol.iterator], "name", {
+  value: "[Symbol.iterator]",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/not-a-constructor.js b/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/not-a-constructor.js
index 33fdc254d4..8c7a28d690 100644
--- a/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/String/prototype/Symbol.iterator/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   new String.prototype[Symbol.iterator]();
-}, '`new String.prototype[Symbol.iterator]()` throws TypeError');
+});
 
 
 reportCompare(0, 0);