GitLab

If post fails, raise exception which will kill test run.

Bug: 1096591
Change-Id: I1a6ed12540b356965e5f74314de31cab4b9b36f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2442898Reviewed-by: Nodir Turakulov <nodir@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Commit-Queue: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813332}