1 files changed, 6 insertions, 26 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-624.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-624.js
index 4774991788..e2362387ca 100644
--- a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-624.js
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-624.js
@@ -6,33 +6,13 @@ es5id: 15.2.3.6-4-624
 description: >
     ES5 Attributes - all attributes in Date.prototype.toJSON are
     correct
+includes: [propertyHelper.js]
 ---*/
 
-var desc = Object.getOwnPropertyDescriptor(Date.prototype, "toJSON");
-
-var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true);
-
-var temp = Date.prototype.toJSON;
-
-Date.prototype.toJSON = "2010";
-
-var isWritable = (Date.prototype.toJSON === "2010");
-
-var isEnumerable = false;
-
-for (var prop in Date.prototype) {
-  if (prop === "toJSON") {
-    isEnumerable = true;
-  }
-}
-
-delete Date.prototype.toJSON;
-
-var isConfigurable = !Date.prototype.hasOwnProperty("toJSON");
-
-assert(propertyAreCorrect, 'propertyAreCorrect !== true');
-assert(isWritable, 'isWritable !== true');
-assert.sameValue(isEnumerable, false, 'isEnumerable');
-assert(isConfigurable, 'isConfigurable !== true');
+verifyProperty(Date.prototype, "toJSON", {
+  writable: true,
+  enumerable: false,
+  configurable: true,
+});
 
 reportCompare(0, 0);