Unit test changes:

pkg/unittest/test/unittest_test.dart

 // 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.
 
 // TODO(gram):
 // Unfortunately I can't seem to test anything that involves timeouts, e.g.
 // insufficient callbacks, because the timeout is controlled externally
 // (test.dart?), and we would need to use a shorter timeout for the inner tests
 // so the outer timeout doesn't fire. So I removed all such tests.
 // I'd like to revisit this at some point.
@@ skipping 352 matching lines @@
     'middle exception test',
     'async setup/teardown test',
     'test returning future',
     'test returning future using Timer'
   ];
 
   expected = [
     buildStatusString(1, 0, 0, tests[0]),
     buildStatusString(0, 1, 0, tests[1],
         message: 'Expected: <5> but: was <4>.'),
-    buildStatusString(0, 1, 0, tests[2], message: 'Caught Exception: Fail.'),
+    buildStatusString(0, 1, 0, tests[2], message: 'Fail.'),
     buildStatusString(2, 0, 0, 'a a::a b b'),
     buildStatusString(1, 0, 0, 'a ${tests[4]}', count: 0, setup: 'setup'),
     buildStatusString(1, 0, 0, 'a ${tests[5]}', count: 0, setup: '',
         teardown: 'teardown'),
     buildStatusString(1, 0, 0, 'a ${tests[6]}', count: 0,
         setup: 'setup', teardown: 'teardown'),
     buildStatusString(1, 0, 0, tests[7], count: 1),
     buildStatusString(0, 0, 1, tests[8], count: 1,
         message: 'Callback called more times than expected (2 > 1).'),
     buildStatusString(1, 0, 0, tests[9], count: 10),
@@ skipping 26 matching lines @@
         'fail2:Expected: <true> but: was <false>.:'
         'error2:Callback called more times than expected (2 > 1).:'
         'foo6'),
   ];
 
   actual = [];
 
   nextTest(0);
 }