3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Number/prototype/toString/length.js b/js/src/tests/test262/built-ins/Number/prototype/toString/length.js
index 0c57733f13..9d158f0677 100644
--- a/js/src/tests/test262/built-ins/Number/prototype/toString/length.js
+++ b/js/src/tests/test262/built-ins/Number/prototype/toString/length.js
@@ -22,10 +22,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Number.prototype.toString.length, 1);
-
-verifyNotEnumerable(Number.prototype.toString, "length");
-verifyNotWritable(Number.prototype.toString, "length");
-verifyConfigurable(Number.prototype.toString, "length");
+verifyProperty(Number.prototype.toString, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Number/prototype/toString/name.js b/js/src/tests/test262/built-ins/Number/prototype/toString/name.js
index 5072c7993b..2d6a750ca4 100644
--- a/js/src/tests/test262/built-ins/Number/prototype/toString/name.js
+++ b/js/src/tests/test262/built-ins/Number/prototype/toString/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Number.prototype.toString.name, "toString");
-
-verifyNotEnumerable(Number.prototype.toString, "name");
-verifyNotWritable(Number.prototype.toString, "name");
-verifyConfigurable(Number.prototype.toString, "name");
+verifyProperty(Number.prototype.toString, "name", {
+  value: "toString",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Number/prototype/toString/not-a-constructor.js b/js/src/tests/test262/built-ins/Number/prototype/toString/not-a-constructor.js
index e7f1f2ae77..9e5d5bb81d 100644
--- a/js/src/tests/test262/built-ins/Number/prototype/toString/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Number/prototype/toString/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   new Number.prototype.toString();
-}, '`new Number.prototype.toString()` throws TypeError');
+});
 
 
 reportCompare(0, 0);