In other words, end 2 end test was a really awesome idea.

R=machenbach@chromium.org,sergiyb@chromium.org
BUG=642493
TEST=git cl land of https://codereview.chromium.org/2575043003 succeeded

Change-Id: I568ce79baf109b2aa556e4343527b63f39c10d00
Reviewed-on: https://chromium-review.googlesource.com/419478
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Aaron Gable <agable@chromium.org>