These appear to be somewhat flaky on Windows.

Bug: angleproject:2676
Change-Id: I62a6ccce9a6c7f1dcaacc7d09c7e01b69a7652bb
Reviewed-on: https://chromium-review.googlesource.com/1106654Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>