GitLab

The test has taken more than ten seconds to run in recent
debug builds.

We shard the test to avoid flakes, for example when running
under virtual/threaded.

BUG=757868

Change-Id: I0ca84820bafb5be00c3f39a0aa4dc95d45134be2
Reviewed-on: https://chromium-review.googlesource.com/722480Reviewed-by: Bugs Nash <bugsnash@chromium.org>
Commit-Queue: Eric Willigers <ericwilligers@chromium.org>
Cr-Commit-Position: refs/heads/master@{#510271}