Add entry point for executing tests

BUG=chromium:1051691
TEST=go build

Change-Id: I88747d49af9528e20be832f1257b2f299c882177
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/tnull/+/2268867
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
Commit-Queue: Jacob Kopczynski <jkop@chromium.org>
Tested-by: Jacob Kopczynski <jkop@chromium.org>
6 files changed