TestCase times out after 20 seconds.

dart/pkg/unittest/test/missing_tick_test.dart

Index: dart/pkg/unittest/test/missing_tick_test.dart
diff --git a/dart/utils/tests/testrunner/non_browser_tests/non_browser_toast.dart b/dart/pkg/unittest/test/missing_tick_test.dart
old mode 100755
new mode 100644
similarity index 66%
copy from dart/utils/tests/testrunner/non_browser_tests/non_browser_toast.dart
copy to dart/pkg/unittest/test/missing_tick_test.dart
index fa32af371bfb738b947a2e9188a4309068411380..7b42fab95be9564dc340e37a03fa9a217b74f1e1
--- a/dart/utils/tests/testrunner/non_browser_tests/non_browser_toast.dart
+++ b/dart/pkg/unittest/test/missing_tick_test.dart
@@ -2,15 +2,13 @@
 // 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.
 
-library testrunner_test;
-
 import 'package:unittest/unittest.dart';
 
+// TODO(gram): Convert to a shouldFail passing test.
 main() {
-  group('foo', () {
-    test('bar', () {
-      expect(true, isTrue);
+  group('Broken', () {
+    test('test that should time out', () {
+      expectAsync0(() {});
     });
   });
 }
-