Reenable tests in SequenceManagerTest

A previous patch had removed them by accident.

Change-Id: I493d9f7fae1d955f5332be82460db6dd8480c460
Reviewed-on: https://chromium-review.googlesource.com/c/1470221
Commit-Queue: Carlos Caballero <carlscab@google.com>
Commit-Queue: Alexander Timin <altimin@chromium.org>
Auto-Submit: Carlos Caballero <carlscab@google.com>
Reviewed-by: Alexander Timin <altimin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#631640}
1 file changed