Minor: fix test shorthand for `--debug` : `-D` and add tests case for mixing `-D` and `compose -f xxx up`
Minor: fix test shorthand for `--debug` : `-D` and add tests case for mixing `-D` and `compose -f xxx up`

Signed-off-by: Guillaume Tardif <fdb6d90518c0d82cc6b9e4626ba807cce7a41bc7@docker.com>
docker/compose,docker/compose,docker/compose