4 files changed, 18 insertions, 22 deletions
diff --git a/js/src/tests/test262/built-ins/Object/setPrototypeOf/length.js b/js/src/tests/test262/built-ins/Object/setPrototypeOf/length.js
index f2f8d611b9..7640d3f587 100644
--- a/js/src/tests/test262/built-ins/Object/setPrototypeOf/length.js
+++ b/js/src/tests/test262/built-ins/Object/setPrototypeOf/length.js
@@ -18,14 +18,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(
-  Object.setPrototypeOf.length,
-  2,
-  'The value of `Object.setPrototypeOf.length` is `2`'
-);
-
-verifyNotEnumerable(Object.setPrototypeOf, 'length');
-verifyNotWritable(Object.setPrototypeOf, 'length');
-verifyConfigurable(Object.setPrototypeOf, 'length');
+verifyProperty(Object.setPrototypeOf, "length", {
+  value: 2,
+  writable: false,
+  enumerable: false,
+  configurable: true,
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/setPrototypeOf/name.js b/js/src/tests/test262/built-ins/Object/setPrototypeOf/name.js
index 1c9ab55a58..e5a46daee0 100644
--- a/js/src/tests/test262/built-ins/Object/setPrototypeOf/name.js
+++ b/js/src/tests/test262/built-ins/Object/setPrototypeOf/name.js
@@ -19,14 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(
-  Object.setPrototypeOf.name,
-  'setPrototypeOf',
-  'The value of `Object.setPrototypeOf.name` is `"setPrototypeOf"`'
-);
-
-verifyNotEnumerable(Object.setPrototypeOf, 'name');
-verifyNotWritable(Object.setPrototypeOf, 'name');
-verifyConfigurable(Object.setPrototypeOf, 'name');
+verifyProperty(Object.setPrototypeOf, "name", {
+  value: "setPrototypeOf",
+  writable: false,
+  enumerable: false,
+  configurable: true,
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/setPrototypeOf/not-a-constructor.js b/js/src/tests/test262/built-ins/Object/setPrototypeOf/not-a-constructor.js
index 625f438f4a..da7d13cba6 100644
--- a/js/src/tests/test262/built-ins/Object/setPrototypeOf/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Object/setPrototypeOf/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   new Object.setPrototypeOf({}, {});
-}, '`new Object.setPrototypeOf({}, {})` throws TypeError');
+});
 
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/setPrototypeOf/property-descriptor.js b/js/src/tests/test262/built-ins/Object/setPrototypeOf/property-descriptor.js
index 946db0ad9c..9c04d4c683 100644
--- a/js/src/tests/test262/built-ins/Object/setPrototypeOf/property-descriptor.js
+++ b/js/src/tests/test262/built-ins/Object/setPrototypeOf/property-descriptor.js
@@ -12,8 +12,10 @@ includes: [propertyHelper.js]
 
 assert.sameValue(typeof Object.setPrototypeOf, 'function');
 
-verifyNotEnumerable(Object, 'setPrototypeOf');
-verifyWritable(Object, 'setPrototypeOf');
-verifyConfigurable(Object, 'setPrototypeOf');
+verifyProperty(Object, "setPrototypeOf", {
+  writable: true,
+  enumerable: false,
+  configurable: true,
+});
 
 reportCompare(0, 0);