Some tests time out, for example BackgroundTest.TextSelectionAndLiveRegion.

dtseng@, please have a look.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ec22cba3c098f58a3e4ce81140c4fbe893bb2e4d

commit ec22cba3c098f58a3e4ce81140c4fbe893bb2e4d
Author: Henrik Grunell <grunell@chromium.org>
Date: Fri Jun 29 14:44:49 2018

Disabling flaky BackgroundTest.TextSelectionAndLiveRegion.

TBR=dtseng@chromium.org

Bug:  857382 
Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: Ib3ed2aeb9704d36ac70d2333da1c93be0fc78d78
Reviewed-on: https://chromium-review.googlesource.com/1120181
Reviewed-by: Henrik Grunell <grunell@chromium.org>
Commit-Queue: Henrik Grunell <grunell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571470}
[modify] https://crrev.com/ec22cba3c098f58a3e4ce81140c4fbe893bb2e4d/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs

This is not a flaky but a consistently failing test. It started failing in run #7774 [1] and failed in all runs since then (currently at #7791).

[1] https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Linux%20ChromiumOS%20MSan%20Tests/7774

 Issue 885048  has been merged into this issue.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e1c5fda201ded3376580933b24c0bdc6875dd0eb

commit e1c5fda201ded3376580933b24c0bdc6875dd0eb
Author: Ramin Halavati <rhalavati@chromium.org>
Date: Tue Sep 18 09:07:56 2018

Disable test BackgroundTest.TextSelectionAndLiveRegion.

Test is consistently failing on chromium.memory/Linux ChromiumOS MSan.

Bug:  857382 
Change-Id: I53a8091c9bd25e2098b5d2a26104958ab333efd0
TBR: dtseng@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/1229036
Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#591984}
[modify] https://crrev.com/e1c5fda201ded3376580933b24c0bdc6875dd0eb/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs