t4117: use modern test_* helpers
t4117: use modern test_* helpers

We can use test_must_fail and test_path_* to avoid some
hand-rolled if statements. This makes the code shorter, and
makes it more obvious when we are breaking the &&-chain.

Signed-off-by: Jeff King <696e3fbcf235d40b6ea1ebd61c87cbea79d444e7@peff.net>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git