Flaky.

BUG=angleproject:2408

Change-Id: I20a6cbf8c4daa722c9d3f91aa3b55227cfff94b5
Reviewed-on: https://chromium-review.googlesource.com/1005811Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>