1 files changed, 6 insertions, 26 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-621.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-621.js
index 5e00e1db4f..9bd87e96e3 100644
--- a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-621.js
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-621.js
@@ -6,33 +6,13 @@ es5id: 15.2.3.6-4-621
 description: >
     ES5 Attributes - all attributes in String.prototype.trim are
     correct
+includes: [propertyHelper.js]
 ---*/
 
-var desc = Object.getOwnPropertyDescriptor(String.prototype, "trim");
-
-var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true);
-
-var temp = String.prototype.trim;
-
-String.prototype.trim = "2010";
-
-var isWritable = (String.prototype.trim === "2010");
-
-var isEnumerable = false;
-
-for (var prop in String.prototype) {
-  if (prop === "trim") {
-    isEnumerable = true;
-  }
-}
-
-delete String.prototype.trim;
-
-var isConfigurable = !String.prototype.hasOwnProperty("trim");
-
-assert(propertyAreCorrect, 'propertyAreCorrect !== true');
-assert(isWritable, 'isWritable !== true');
-assert.sameValue(isEnumerable, false, 'isEnumerable');
-assert(isConfigurable, 'isConfigurable !== true');
+verifyProperty(String.prototype, "trim", {
+  writable: true,
+  enumerable: false,
+  configurable: true,
+});
 
 reportCompare(0, 0);