3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Math/trunc/length.js b/js/src/tests/test262/built-ins/Math/trunc/length.js
index 593f893d82..0c716e41c9 100644
--- a/js/src/tests/test262/built-ins/Math/trunc/length.js
+++ b/js/src/tests/test262/built-ins/Math/trunc/length.js
@@ -18,10 +18,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.trunc.length, 1);
-
-verifyNotEnumerable(Math.trunc, "length");
-verifyNotWritable(Math.trunc, "length");
-verifyConfigurable(Math.trunc, "length");
+verifyProperty(Math.trunc, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/name.js b/js/src/tests/test262/built-ins/Math/trunc/name.js
index 25f8a0cc3c..c351b444f3 100644
--- a/js/src/tests/test262/built-ins/Math/trunc/name.js
+++ b/js/src/tests/test262/built-ins/Math/trunc/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.trunc.name, "trunc");
-
-verifyNotEnumerable(Math.trunc, "name");
-verifyNotWritable(Math.trunc, "name");
-verifyConfigurable(Math.trunc, "name");
+verifyProperty(Math.trunc, "name", {
+  value: "trunc",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/trunc/not-a-constructor.js
index 1a55c671b4..3c928d695c 100644
--- a/js/src/tests/test262/built-ins/Math/trunc/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/trunc/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.trunc), false, 'isConstructor(Math.trunc) mu
 
 assert.throws(TypeError, () => {
   new Math.trunc();
-}, '`new Math.trunc()` throws TypeError');
+});
 
 
 reportCompare(0, 0);