More tests updated to optimize code (Part 2).

tests/language/equality_test.dart

Index: tests/language/equality_test.dart
===================================================================
--- tests/language/equality_test.dart	(revision 24922)
+++ tests/language/equality_test.dart	(working copy)
@@ -1,6 +1,7 @@
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
+// VMOptions=--optimization-counter-threshold=10
 
 import "package:expect/expect.dart";
 
@@ -34,7 +35,7 @@
   Expect.isTrue(null != alwaysTrue);
   Expect.isTrue(null == null);
   Expect.isFalse(null != null);
-  
+
   Expect.throws(() => death() == 5);
   Expect.isFalse(death() == nullFn());
   Expect.isFalse(nullFn() == death());
@@ -53,5 +54,5 @@
 }
 
 main() {
-  for (int i = 0; i < 1000; i++) tests();
+  for (int i = 0; i < 20; i++) tests();
 }