Instead of testing the exit code only, also check the error output.
This reveals two bugs. The corresponding tests are marked as known
breakages.
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
Package bases are created by git-update automatically when the
repository receives a ref update for the first time.
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>