Clean up dep snapshot specs: assume the repo exists.
Clean up dep snapshot specs: assume the repo exists.

The create/init/commit/run/commit logic is tested in the GitFS specs. The point of the dep snapshotting specs is to ensure snapshots are taken only when deps are successfully met, and only when snapshotting is enabled.

victorklos/babushka,victorklos/babushka,victorklos/babushka