The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7f6264df1bd3a73c0f8af49adfc345126eebb1cd

commit 7f6264df1bd3a73c0f8af49adfc345126eebb1cd
Author: tansell <tansell@chromium.org>
Date: Mon May 08 04:56:11 2017

LayoutTests: Disable flaky tests on Windows.

These tests are failing a small amount of the time on the Windows Random
Order bots now they are running sharded on swarming. The tests affected
are;

 * fast/css-grid-layout/grid-self-baseline-two-dimensional.html
 * fast/css-grid-layout/grid-align-justify-stretch-with-orthogonal-flows.html
 * fast/dnd/dropEffect-for-effectAllowed.html
 * external/wpt/css/css-ui-3/outline-004.html

Bugs have been filed for each of the failing tests.

The most likely cause is that they depend on another test being run and
the sharding makes this no longer happening.

BUG= 717347 , 718717 , 719298 , 719299 
NOTRY=true

Review-Url: https://codereview.chromium.org/2872463002
Cr-Commit-Position: refs/heads/master@{#469907}

[modify] https://crrev.com/7f6264df1bd3a73c0f8af49adfc345126eebb1cd/third_party/WebKit/LayoutTests/TestExpectations

These 2 grid tests also use "ahem" instead of "Ahem" (similar to what happens for outline-004.html see  bug #719299 ).

I can try a tentative patch to see if this is the actual issue or not.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cfd0c5e26f717dd1f27c3e17c2f031c30a26951e

commit cfd0c5e26f717dd1f27c3e17c2f031c30a26951e
Author: rego <rego@igalia.com>
Date: Thu May 11 05:11:38 2017

[css-grid] Use "Ahem" instead of "ahem" on grid layout tests

This is a tentative fix for an issue we're having on Windows
when running tests on random order.

BUG= 718717 

Review-Url: https://codereview.chromium.org/2869353002
Cr-Commit-Position: refs/heads/master@{#470817}

[modify] https://crrev.com/cfd0c5e26f717dd1f27c3e17c2f031c30a26951e/third_party/WebKit/LayoutTests/TestExpectations
[modify] https://crrev.com/cfd0c5e26f717dd1f27c3e17c2f031c30a26951e/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-align-justify-stretch-with-orthogonal-flows.html
[modify] https://crrev.com/cfd0c5e26f717dd1f27c3e17c2f031c30a26951e/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-item-change-alignment-from-stretch.html
[modify] https://crrev.com/cfd0c5e26f717dd1f27c3e17c2f031c30a26951e/third_party/WebKit/LayoutTests/fast/css-grid-layout/grid-self-baseline-two-dimensional.html

I'll keep an eye on the build today to see if this is really fixed or not,
otherwise we should flag again these tests on TestExpectations file.

It seems the buildbot is happy, so I'm closing this for now.
Please re-open if the problem appears again.