Moved assertion test from VM tests to language. Since it fails with

tests/language/assert_with_type_test_or_cast_test.dart

Index: tests/language/assert_with_type_test_or_cast_test.dart
===================================================================
--- tests/language/assert_with_type_test_or_cast_test.dart	(revision 11842)
+++ tests/language/assert_with_type_test_or_cast_test.dart	(working copy)
@@ -1,6 +1,3 @@
-// VMOptions=
-// VMOptions=--enable_asserts
-
 // 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.
@@ -10,6 +7,10 @@
 //
 // The cause was incomplete generic type skipping, so each of the assert
 // statements below would fail.
+//
+// VMOptions=

[kasperl, 2012/09/05 05:41:28]

It is somewhat painful to see these VMOptions comments appear in language tests
(I'm sure we still have a bunch of them in other files). Wouldn't our test
coverage for this file in checked mode be enough?

+// VMOptions=--enable_asserts
+
 main() {
  var names = new List<int>();