2 files changed, 7 insertions, 6 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/substring/name.js b/js/src/tests/test262/built-ins/String/prototype/substring/name.js
index bbfb54a254..144a1a72ac 100644
--- a/js/src/tests/test262/built-ins/String/prototype/substring/name.js
+++ b/js/src/tests/test262/built-ins/String/prototype/substring/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(String.prototype.substring.name, "substring");
-
-verifyNotEnumerable(String.prototype.substring, "name");
-verifyNotWritable(String.prototype.substring, "name");
-verifyConfigurable(String.prototype.substring, "name");
+verifyProperty(String.prototype.substring, "name", {
+  value: "substring",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/String/prototype/substring/not-a-constructor.js b/js/src/tests/test262/built-ins/String/prototype/substring/not-a-constructor.js
index 981b8cd665..2f2f2b2058 100644
--- a/js/src/tests/test262/built-ins/String/prototype/substring/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/String/prototype/substring/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   new String.prototype.substring();
-}, '`new String.prototype.substring()` throws TypeError');
+});
 
 
 reportCompare(0, 0);