Test fixes for dartium

tests/lib/async/future2_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(ajohnsen): This test needs to be updated.
 //                 Can Dart2JS on V8 somehow run it?
 
 // Tests for Future.immediate
+library future2_test;
+
 import 'dart:async';
 import 'dart:isolate';
 
 testImmediate() {
   final future = new Future<String>.immediate("42");
   future.then((x) => Expect.equals("42", x));
 }
 
 // Tests for getters (value, exception, isComplete, isValue)
 
@@ skipping 565 matching lines @@
   testTransformExceptionCompletesNormally();
   testTransformExceptionThrows();
   testTransformExceptionReturns();
   testTransformExceptionReturnsAFuture();
   testExceptionTravelsAlongBothBranches();
   testExceptionTravelsAlongBothBranchesAfterComplete();
   testExceptionIsHandledInBaseAndBranch();
   testExceptionIsHandledInBaseAndBranchAfterComplete();
   */
 }