test_find_git_parent: Compress the Mock setup a bit
test_find_git_parent: Compress the Mock setup a bit

Signed-off-by: Dan Mick <b07550071eaa6a9296289c43bbd6c90559196431@redhat.com>

ktdreyer/teuthology,dmick/teuthology,ceph/teuthology,SUSE/teuthology,dmick/teuthology,dmick/teuthology,ceph/teuthology,SUSE/teuthology,ktdreyer/teuthology,SUSE/teuthology