Status updates, and minor fixes to tests of async-await.

tests/language/await_for_cancel_test.dart

 // Copyright (c) 2014, 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.
 
 import "dart:async";
 import "package:expect/expect.dart";
 import "package:async_helper/async_helper.dart";
 
 bool cancelled;
 
@@ skipping 28 matching lines @@
         for (int j = 0; j < 10; j++) {
           if (j == 5) continue outer;
         }
       }
     }
   } finally {
     Expect.isTrue(cancelled);
   }
 }
 
-main() async {
+test() async {
   await test1();
   await test2();
+}
 
+main() async {
+  asyncStart();
+  test().then((_) {
+    asyncEnd();
+  });
 }
 
 
 // Create a stream that produces numbers [1, 2, ... ]
 StreamController infiniteStreamController() {
   StreamController controller;
   Timer timer;
   int counter = 0;
 
   void tick(_) {
@@ skipping 16 matching lines @@
       onListen: startTimer,
       onPause: stopTimer,
       onResume: startTimer,
       onCancel: () {
         cancelled = true;
         stopTimer();
       });
 
   return controller;
 }