GitLab

The test data directory for testserver.py defaults to
"../../../../test/data" which is outside the repository. Instead point
it at "../../data" which is where the test data for //net is located.

Bug: None
Change-Id: I6dd8c69ce9c1e12a0c031ab5a41a09fc4556e2e9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1732694Reviewed-by: Lily Chen <chlily@chromium.org>
Commit-Queue: Asanka Herath <asanka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683599}