Fix BidirectionalStreamTest#testFailures flake

Fix BidirectionalStreamTest#testFailures flake

When we cancel the request in BidirectionalStream#onStreamReady(), it's not
guaranteed that the request is stopped right away, so we might have non-null
connect timing.
This CL makes the test assertion looser.

BUG=653654
Committed: https://crrev.com/9be380db89ba5afe42e956b6cf240bd6036e51e6
Cr-Commit-Position: refs/heads/master@{#424188}

[xunjieli, 2016-10-10 17:23:21]

xunjieli@chromium.org changed reviewers:
+ mgersh@chromium.org

[mgersh, 2016-10-10 18:11:08]

lgtm

[xunjieli, 2016-10-10 18:11:35]

The CQ bit was checked by xunjieli@chromium.org

[commit-bot: I haz the power, 2016-10-10 18:11:56]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-10 18:25:43]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-10 18:29:19]

Description was changed from

==========
Fix BidirectionalStreamTest#testFailures flake

When we cancel the request in BidirectionalStream#onStreamReady(), it's not
guaranteed that the request is stopped right away, so we might have non-null
connect timing.
This CL makes the test assertion looser.

BUG=653654
==========

to

==========
Fix BidirectionalStreamTest#testFailures flake

When we cancel the request in BidirectionalStream#onStreamReady(), it's not
guaranteed that the request is stopped right away, so we might have non-null
connect timing.
This CL makes the test assertion looser.

BUG=653654

Committed: https://crrev.com/9be380db89ba5afe42e956b6cf240bd6036e51e6
Cr-Commit-Position: refs/heads/master@{#424188}
==========

[commit-bot: I haz the power, 2016-10-10 18:29:20]

Patchset 2 (id:??) landed as
https://crrev.com/9be380db89ba5afe42e956b6cf240bd6036e51e6
Cr-Commit-Position: refs/heads/master@{#424188}