comparing PR commit(s) to HEAD of moby/moby master branch and if founds
new (or renamed) integration tests will run stress tests for them.
Signed-off-by: Olli Janatuinen <olli.janatuinen@gmail.com>
Because we merge master into the branch before running tests, so the
actual git sha does not exist on any git remote.
Signed-off-by: Daniel Nephin <dnephin@docker.com>