3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Math/sign/length.js b/js/src/tests/test262/built-ins/Math/sign/length.js
index 2d172bfaaa..f9beec1cec 100644
--- a/js/src/tests/test262/built-ins/Math/sign/length.js
+++ b/js/src/tests/test262/built-ins/Math/sign/length.js
@@ -18,10 +18,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.sign.length, 1);
-
-verifyNotEnumerable(Math.sign, "length");
-verifyNotWritable(Math.sign, "length");
-verifyConfigurable(Math.sign, "length");
+verifyProperty(Math.sign, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sign/name.js b/js/src/tests/test262/built-ins/Math/sign/name.js
index f706d18562..40aa1cc520 100644
--- a/js/src/tests/test262/built-ins/Math/sign/name.js
+++ b/js/src/tests/test262/built-ins/Math/sign/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.sign.name, "sign");
-
-verifyNotEnumerable(Math.sign, "name");
-verifyNotWritable(Math.sign, "name");
-verifyConfigurable(Math.sign, "name");
+verifyProperty(Math.sign, "name", {
+  value: "sign",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sign/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/sign/not-a-constructor.js
index 73a8f9f7d9..767ea490d7 100644
--- a/js/src/tests/test262/built-ins/Math/sign/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/sign/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.sign), false, 'isConstructor(Math.sign) must
 
 assert.throws(TypeError, () => {
   new Math.sign();
-}, '`new Math.sign()` throws TypeError');
+});
 
 
 reportCompare(0, 0);