Since it's flaky

Bug: angleproject:2945
Change-Id: Iac7b465ae1ebefbde3b23267c6974209de664362
Reviewed-on: https://chromium-review.googlesource.com/c/1315836Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>