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The test fails flakily on Linux, Windows and ChromeOS.
See bug for details.

TBR=foolip@chromium.org, dmazzoni@chromium.org

Bug: 825735
Change-Id: I5953f23c9c87e7b4ab2b0a6b9fd9d604a1bf27c3
Reviewed-on: https://chromium-review.googlesource.com/979799Reviewed-by: Dominic Battré <battre@chromium.org>
Commit-Queue: Dominic Battré <battre@chromium.org>
Cr-Commit-Position: refs/heads/master@{#545739}