3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Math/log1p/length.js b/js/src/tests/test262/built-ins/Math/log1p/length.js
index 40327f636c..51dbc6d86f 100644
--- a/js/src/tests/test262/built-ins/Math/log1p/length.js
+++ b/js/src/tests/test262/built-ins/Math/log1p/length.js
@@ -21,10 +21,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.log1p.length, 1);
-
-verifyNotEnumerable(Math.log1p, "length");
-verifyNotWritable(Math.log1p, "length");
-verifyConfigurable(Math.log1p, "length");
+verifyProperty(Math.log1p, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log1p/name.js b/js/src/tests/test262/built-ins/Math/log1p/name.js
index 9287af89ed..de9e469c0a 100644
--- a/js/src/tests/test262/built-ins/Math/log1p/name.js
+++ b/js/src/tests/test262/built-ins/Math/log1p/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.log1p.name, "log1p");
-
-verifyNotEnumerable(Math.log1p, "name");
-verifyNotWritable(Math.log1p, "name");
-verifyConfigurable(Math.log1p, "name");
+verifyProperty(Math.log1p, "name", {
+  value: "log1p",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log1p/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/log1p/not-a-constructor.js
index f89122aac0..fd3e9d10d8 100644
--- a/js/src/tests/test262/built-ins/Math/log1p/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/log1p/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.log1p), false, 'isConstructor(Math.log1p) mu
 
 assert.throws(TypeError, () => {
   new Math.log1p();
-}, '`new Math.log1p()` throws TypeError');
+});
 
 
 reportCompare(0, 0);