Hopefully no longer flaky.

Bug: angleproject:4502
Change-Id: I958a7febce4057706c0d822b9fffc4d9a2b18f83
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2354295Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>