1 files changed, 6 insertions, 25 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-622.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-622.js
index db59aba810..fe21ad4d58 100644
--- a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-622.js
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-622.js
@@ -4,33 +4,14 @@
 /*---
 es5id: 15.2.3.6-4-622
 description: ES5 Attributes - all attributes in Date.now are correct
+includes: [propertyHelper.js]
 ---*/
 
-var desc = Object.getOwnPropertyDescriptor(Date, "now");
+verifyProperty(Date, "now", {
+  writable: true,
+  enumerable: false,
+  configurable: true,
+});
 
-var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true);
-
-var temp = Date.now;
-
-Date.now = "2010";
-
-var isWritable = (Date.now === "2010");
-
-var isEnumerable = false;
-
-for (var prop in Date) {
-  if (prop === "now") {
-    isEnumerable = true;
-  }
-}
-
-delete Date.now;
-
-var isConfigurable = !Date.hasOwnProperty("now");
-
-assert(propertyAreCorrect, 'propertyAreCorrect !== true');
-assert(isWritable, 'isWritable !== true');
-assert.sameValue(isEnumerable, false, 'isEnumerable');
-assert(isConfigurable, 'isConfigurable !== true');
 
 reportCompare(0, 0);