Mark 4 DumpAccessibilityTreeTest tests flaky

Mark 4 DumpAccessibilityTreeTest tests flaky

The following tests are flaky on all platforms:
- DumpAccessibilityTreeTest.AccessibilityIframeTransform
- DumpAccessibilityTreeTest.AccessibilityIframeCoordinates
- DumpAccessibilityTreeTest.AccessibilityIframeCoordinatesCrossProcess
- DumpAccessibilityTreeTest.AccessibilityIframeTransformCrossProcess

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=content_browsertests&tests=DumpAccessibilityTreeTest.AccessibilityIframe

NOTREECHECKS=true
NOTRY=true
BUG=622387
TBR=dmazzoni@chromium.org

Committed: https://crrev.com/35a95ad0a466274374555994d2e67685de4dbf95
Cr-Commit-Position: refs/heads/master@{#414737}

[johnme, 2016-08-26 17:10:14]

The CQ bit was checked by johnme@chromium.org

[commit-bot: I haz the power, 2016-08-26 17:11:03]

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, 2016-08-26 17:15:12]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-26 17:17:15]

Description was changed from

==========
Mark 4 DumpAccessibilityTreeTest tests flaky

The following tests are flaky on all platforms:
- DumpAccessibilityTreeTest.AccessibilityIframeTransform
- DumpAccessibilityTreeTest.AccessibilityIframeCoordinates
- DumpAccessibilityTreeTest.AccessibilityIframeCoordinatesCrossProcess
- DumpAccessibilityTreeTest.AccessibilityIframeTransformCrossProcess

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=...

NOTREECHECKS=true
NOTRY=true
BUG=622387
TBR=dmazzoni@chromium.org
==========

to

==========
Mark 4 DumpAccessibilityTreeTest tests flaky

The following tests are flaky on all platforms:
- DumpAccessibilityTreeTest.AccessibilityIframeTransform
- DumpAccessibilityTreeTest.AccessibilityIframeCoordinates
- DumpAccessibilityTreeTest.AccessibilityIframeCoordinatesCrossProcess
- DumpAccessibilityTreeTest.AccessibilityIframeTransformCrossProcess

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=...

NOTREECHECKS=true
NOTRY=true
BUG=622387
TBR=dmazzoni@chromium.org

Committed: https://crrev.com/35a95ad0a466274374555994d2e67685de4dbf95
Cr-Commit-Position: refs/heads/master@{#414737}
==========

[commit-bot: I haz the power, 2016-08-26 17:17:16]

Patchset 1 (id:??) landed as
https://crrev.com/35a95ad0a466274374555994d2e67685de4dbf95
Cr-Commit-Position: refs/heads/master@{#414737}

[dmazzoni, 2016-08-26 17:54:40]

Hey, could you take a closer look at these?

I'm trying to look at the dashboard link you provided to see why these
tests are failing:

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=...

I only see two builders that account for almost all of the failures:
Linux Texts (dbg)(1)
CrWinAsanCov tester

But furthermore, when you actually click on the test logs, there are *hundreds*
of test failures - essentially the whole test suite, or multiple test suites,
are failing.

So it doesn't look to me like these particular tests are flaky, but rather from
time to time the whole test suite fails on some builders.

Do you see that too or am I missing something?

Thanks

[johnme, 2016-08-26 18:33:34]

On 2016/08/26 17:54:40, dmazzoni wrote:
> I only see two builders that account for almost all of the failures:
> Linux Texts (dbg)(1)
> CrWinAsanCov tester

I replied on the bug
https://bugs.chromium.org/p/chromium/issues/detail?id=622387#c37