4 files changed, 19 insertions, 16 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/all/length.js b/js/src/tests/test262/built-ins/Promise/all/length.js
index 7769497c7c..38e64b125d 100644
--- a/js/src/tests/test262/built-ins/Promise/all/length.js
+++ b/js/src/tests/test262/built-ins/Promise/all/length.js
@@ -18,10 +18,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Promise.all.length, 1);
-
-verifyNotEnumerable(Promise.all, 'length');
-verifyNotWritable(Promise.all, 'length');
-verifyConfigurable(Promise.all, 'length');
+verifyProperty(Promise.all, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Promise/all/name.js b/js/src/tests/test262/built-ins/Promise/all/name.js
index 552ba841dd..7a6ddaa9a4 100644
--- a/js/src/tests/test262/built-ins/Promise/all/name.js
+++ b/js/src/tests/test262/built-ins/Promise/all/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Promise.all.name, 'all');
-
-verifyNotEnumerable(Promise.all, 'name');
-verifyNotWritable(Promise.all, 'name');
-verifyConfigurable(Promise.all, 'name');
+verifyProperty(Promise.all, "name", {
+  value: "all",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Promise/all/not-a-constructor.js b/js/src/tests/test262/built-ins/Promise/all/not-a-constructor.js
index 9ab0f8e49e..b7c377d84f 100644
--- a/js/src/tests/test262/built-ins/Promise/all/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Promise/all/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Promise.all), false, 'isConstructor(Promise.all)
 
 assert.throws(TypeError, () => {
   new Promise.all([]);
-}, '`new Promise.all([])` throws TypeError');
+});
 
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Promise/all/resolve-element-function-length.js b/js/src/tests/test262/built-ins/Promise/all/resolve-element-function-length.js
index 6a3568870b..4f3f963e28 100644
--- a/js/src/tests/test262/built-ins/Promise/all/resolve-element-function-length.js
+++ b/js/src/tests/test262/built-ins/Promise/all/resolve-element-function-length.js
@@ -29,10 +29,11 @@ NotPromise.resolve = function(v) {
 };
 Promise.all.call(NotPromise, [thenable]);
 
-assert.sameValue(resolveElementFunction.length, 1);
-
-verifyNotEnumerable(resolveElementFunction, "length");
-verifyNotWritable(resolveElementFunction, "length");
-verifyConfigurable(resolveElementFunction, "length");
+verifyProperty(resolveElementFunction, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);