GitLab

Refactor some duplicated code in a number of unit tests into a shared
test helper.

Bug: 1144138
Change-Id: I03b2b5eeb75b636014b60a683501d6f2498bf405
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2517403
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824220}