This test started consistantly failing after changing the shard count on
this test suite.

BUG=angleproject:2799

Change-Id: I75769b08f9d4dda1d436facc34a8292193b4538e
Reviewed-on: https://chromium-review.googlesource.com/1199723Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>