3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Math/expm1/length.js b/js/src/tests/test262/built-ins/Math/expm1/length.js
index ead3c57638..2b58d8cf01 100644
--- a/js/src/tests/test262/built-ins/Math/expm1/length.js
+++ b/js/src/tests/test262/built-ins/Math/expm1/length.js
@@ -21,10 +21,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.expm1.length, 1);
-
-verifyNotEnumerable(Math.expm1, "length");
-verifyNotWritable(Math.expm1, "length");
-verifyConfigurable(Math.expm1, "length");
+verifyProperty(Math.expm1, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/expm1/name.js b/js/src/tests/test262/built-ins/Math/expm1/name.js
index 698bdc19c0..5c1e831913 100644
--- a/js/src/tests/test262/built-ins/Math/expm1/name.js
+++ b/js/src/tests/test262/built-ins/Math/expm1/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.expm1.name, "expm1");
-
-verifyNotEnumerable(Math.expm1, "name");
-verifyNotWritable(Math.expm1, "name");
-verifyConfigurable(Math.expm1, "name");
+verifyProperty(Math.expm1, "name", {
+  value: "expm1",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/expm1/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/expm1/not-a-constructor.js
index d0b9a18935..4ce17e5172 100644
--- a/js/src/tests/test262/built-ins/Math/expm1/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/expm1/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.expm1), false, 'isConstructor(Math.expm1) mu
 
 assert.throws(TypeError, () => {
   new Math.expm1();
-}, '`new Math.expm1()` throws TypeError');
+});
 
 
 reportCompare(0, 0);