Fix spec-compliance bug in ArrayIteratorPrototype.

test/mjsunit/es6/array-iterator.js

Index: test/mjsunit/es6/array-iterator.js
diff --git a/test/mjsunit/es6/array-iterator.js b/test/mjsunit/es6/array-iterator.js
index 5fab0fbf8654a7112358c0eeddc82955cf7e04c0..fa7a1fa3d31ae9b77d165d041cbd65ab12bf1245 100644
--- a/test/mjsunit/es6/array-iterator.js
+++ b/test/mjsunit/es6/array-iterator.js
@@ -160,7 +160,7 @@ function TestArrayIteratorPrototype() {
   assertArrayEquals(['next'],
       Object.getOwnPropertyNames(ArrayIteratorPrototype));
   assertHasOwnProperty(ArrayIteratorPrototype, 'next', DONT_ENUM);
-  assertHasOwnProperty(ArrayIteratorPrototype, Symbol.iterator, DONT_ENUM);
+  assertFalse(ArrayIteratorPrototype.hasOwnProperty(Symbol.iterator));
 
   assertEquals("[object Array Iterator]",
       Object.prototype.toString.call(iterator));