3 files changed, 18 insertions, 15 deletions
diff --git a/js/src/tests/test262/built-ins/NativeErrors/TypeError/length.js b/js/src/tests/test262/built-ins/NativeErrors/TypeError/length.js
index c84b02708e..f4ca973dac 100644
--- a/js/src/tests/test262/built-ins/NativeErrors/TypeError/length.js
+++ b/js/src/tests/test262/built-ins/NativeErrors/TypeError/length.js
@@ -25,10 +25,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(TypeError.length, 1);
-
-verifyNotEnumerable(TypeError, "length");
-verifyNotWritable(TypeError, "length");
-verifyConfigurable(TypeError, "length");
+verifyProperty(TypeError, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NativeErrors/TypeError/name.js b/js/src/tests/test262/built-ins/NativeErrors/TypeError/name.js
index ede2f73af9..8af9b919b1 100644
--- a/js/src/tests/test262/built-ins/NativeErrors/TypeError/name.js
+++ b/js/src/tests/test262/built-ins/NativeErrors/TypeError/name.js
@@ -17,10 +17,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(TypeError.name, "TypeError");
-
-verifyNotEnumerable(TypeError, "name");
-verifyNotWritable(TypeError, "name");
-verifyConfigurable(TypeError, "name");
+verifyProperty(TypeError, "name", {
+  value: "TypeError",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NativeErrors/TypeError/prototype/name.js b/js/src/tests/test262/built-ins/NativeErrors/TypeError/prototype/name.js
index c0c0531ff2..04d94af79a 100644
--- a/js/src/tests/test262/built-ins/NativeErrors/TypeError/prototype/name.js
+++ b/js/src/tests/test262/built-ins/NativeErrors/TypeError/prototype/name.js
@@ -17,10 +17,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(TypeError.prototype.name, "TypeError");
-
-verifyNotEnumerable(TypeError.prototype, "name");
-verifyWritable(TypeError.prototype, "name");
-verifyConfigurable(TypeError.prototype, "name");
+verifyProperty(TypeError.prototype, "name", {
+  value: "TypeError",
+  writable: true,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);