Simplify array iterator tests

R=arv@chromium.org, rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/344223006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23265 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/es6/array-iterator.js

@@ -175,10 +175,9 @@ function TestForArrayValues() {
 
   assertEquals(8, buffer.length);
 
-  for (var i = 0; i < buffer.length - 1; i++) {
+  for (var i = 0; i < buffer.length; i++) {
     assertSame(array[i], buffer[i]);
   }
-  assertTrue(isNaN(buffer[buffer.length - 1]));
 }
 TestForArrayValues();
 
@@ -210,10 +209,9 @@ function TestForArrayEntries() {
 
   assertEquals(8, buffer.length);
 
-  for (var i = 0; i < buffer.length - 1; i++) {
+  for (var i = 0; i < buffer.length; i++) {
     assertSame(array[i], buffer[i][1]);
   }
-  assertTrue(isNaN(buffer[buffer.length - 1][1]));
 
   for (var i = 0; i < buffer.length; i++) {
     assertEquals(i, buffer[i][0]);
@@ -232,10 +230,9 @@ function TestForArray() {
 
   assertEquals(8, buffer.length);
 
-  for (var i = 0; i < buffer.length - 1; i++) {
+  for (var i = 0; i < buffer.length; i++) {
     assertSame(array[i], buffer[i]);
   }
-  assertTrue(isNaN(buffer[buffer.length - 1]));
 }
 TestForArrayValues();