1 files changed, 3 insertions, 11 deletions
diff --git a/test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.js b/test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.js
index 8401f8ad7..fd42435c7 100644
--- a/test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.js
+++ b/test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.js
@@ -6,23 +6,15 @@ es5id: 15.2.3.4-2-4
 description: >
     Object.getOwnPropertyNames - returned array is the standard
     built-in constructor
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var oldArray = Array;
         Array = function () {
             throw new Error("invoke customer defined Array!");
         };
 
         var obj = {};
-        try {
+
             var result = Object.getOwnPropertyNames(obj);
-            return Object.prototype.toString.call(result) === "[object Array]";
-        } catch (ex) {
-            return false;
-        } finally {
-            Array = oldArray;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Object.prototype.toString.call(result), "[object Array]", 'Object.prototype.toString.call(result)');