Testing: Includes baseline unit test coverage
Change-Id: Idb0dfed54cb52e600a5d1acb0002bf051225a84d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/60043
Commit-Queue: Joe Ethier <jethier@google.com>
Reviewed-by: Ali Zhang <alizhang@google.com>