Fix flaky stream_controller_async_test.

Fix flaky stream_controller_async_test.

BUG= http://dartbug.com/163608
R=floitsch@google.com

Committed: https://code.google.com/p/dart/source/detail?r=28719

[floitsch, 2013-10-16 11:02:04]

LGTM.

https://codereview.chromium.org/27499002/diff/1/tests/lib/async/stream_contro...
File tests/lib/async/stream_controller_async_test.dart (right):

https://codereview.chromium.org/27499002/diff/1/tests/lib/async/stream_contro...
tests/lib/async/stream_controller_async_test.dart:664: // the done event to the
asBroadcastStream controller, which is
comment doesn't seem relevant anymore.

[Lasse Reichstein Nielsen, 2013-10-16 11:27:46]

https://codereview.chromium.org/27499002/diff/1/tests/lib/async/stream_contro...
File tests/lib/async/stream_controller_async_test.dart (right):

https://codereview.chromium.org/27499002/diff/1/tests/lib/async/stream_contro...
tests/lib/async/stream_controller_async_test.dart:664: // the done event to the
asBroadcastStream controller, which is
It's still relevant, but I reworded it a little.

[Lasse Reichstein Nielsen, 2013-10-16 11:29:29]

Committed patchset #2 manually as r28719 (presubmit successful).

[floitsch, 2013-10-16 11:42:44]

Another comment...

https://codereview.chromium.org/27499002/diff/4001/tests/lib/async/stream_con...
File tests/lib/async/stream_controller_async_test.dart (right):

https://codereview.chromium.org/27499002/diff/4001/tests/lib/async/stream_con...
tests/lib/async/stream_controller_async_test.dart:642: var pauseIsDone = false;
variable can be removed now.