Makes a temporary copy of the git repo for each test so we can
modify the repo for testing purposes.
It's not the fastest test (~12s), but is only run when python files
have been modified. In contrast to other developer tooling, tools/cl
is not used by Luci, so it needs a dedicated test.
BUG=b:244185215
TEST=./tools/health-check
Change-Id: I06c90a580aa8ed0fa267a41ca40895710121767f
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3866692
Tested-by: Dennis Kempin <denniskempin@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Dennis Kempin <denniskempin@google.com>
