S13nServiceWorker: Enable some layout tests.

I suspect these failing expectations are stale. The tests passed 50 runs
locally. Unfortunately we don't have visibility on the flakiness
dashboard to be sure, so just enable them now and see if we get
failures.

R=shimazu

NOTRY: true
Bug: 715640
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_mojo
Change-Id: I934d912514e41a13f937750af929e7cd1b2cdc17
Reviewed-on: https://chromium-review.googlesource.com/927939
Commit-Queue: Matt Falkenhagen <falken@chromium.org>
Reviewed-by: Makoto Shimazu <shimazu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#538061}
1 file changed