3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Math/atan2/length.js b/js/src/tests/test262/built-ins/Math/atan2/length.js
index 8255c76783..308f1434b8 100644
--- a/js/src/tests/test262/built-ins/Math/atan2/length.js
+++ b/js/src/tests/test262/built-ins/Math/atan2/length.js
@@ -22,10 +22,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.atan2.length, 2);
-
-verifyNotEnumerable(Math.atan2, "length");
-verifyNotWritable(Math.atan2, "length");
-verifyConfigurable(Math.atan2, "length");
+verifyProperty(Math.atan2, "length", {
+  value: 2,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/name.js b/js/src/tests/test262/built-ins/Math/atan2/name.js
index fef201b98d..b7ddd1bd23 100644
--- a/js/src/tests/test262/built-ins/Math/atan2/name.js
+++ b/js/src/tests/test262/built-ins/Math/atan2/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.atan2.name, "atan2");
-
-verifyNotEnumerable(Math.atan2, "name");
-verifyNotWritable(Math.atan2, "name");
-verifyConfigurable(Math.atan2, "name");
+verifyProperty(Math.atan2, "name", {
+  value: "atan2",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/atan2/not-a-constructor.js
index 3b8989dd32..554b7e886f 100644
--- a/js/src/tests/test262/built-ins/Math/atan2/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/atan2/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.atan2), false, 'isConstructor(Math.atan2) mu
 
 assert.throws(TypeError, () => {
   new Math.atan2();
-}, '`new Math.atan2()` throws TypeError');
+});
 
 
 reportCompare(0, 0);