Test fixes for dartium

tests/lib/async/future_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.
 
+library future_test;
+
 import 'dart:async';
 import 'dart:isolate';
 
 testFutureAsStreamCompleteAfter() {
   var completer = new Completer();
   bool gotValue = false;
   var port = new ReceivePort();
   completer.future.asStream().listen(
       (data) {
         Expect.isFalse(gotValue);
@@ skipping 172 matching lines @@
   testFutureAsStreamCompleteImmediate();
   testFutureAsStreamCompleteErrorAfter();
   testFutureAsStreamWrapper();
 
   testFutureWhenCompleteValue();
   testFutureWhenCompleteError();
   testFutureWhenCompleteValueNewError();
   testFutureWhenCompleteErrorNewError();
 }