pkg/unittest: test cleanup

pkg/unittest/test/utils.dart

 // Copyright (c) 2013, 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.
 
 part of unittestTest;
 
 Future _defer(void fn()) {
   return new Future.sync(fn);
 }
 
@@ skipping 73 matching lines @@
   testFunction(testConfig);
 }
 
 void main() {
   var replyPort = new ReceivePort();
   Isolate.spawn(runTestInIsolate, replyPort.sendPort);
   replyPort.first.then((String msg) {
     expect(msg.trim(), expected);
   });
 }