Executing the script inside the directories as './test.sh' is not
supposed to work but could happen accidentally. With an exit after
attempting to source the we can fix that. Not all cases have been fixed
in f6bbe06c08 ("btrfs-progs: tests: add protection against running
out of test suite").
Signed-off-by: David Sterba <dsterba@suse.com>
The restore target file does not exist and creating by root does not
work on NFS, so precreating will make that work. Also fix the image name
to be deleted.
Signed-off-by: David Sterba <dsterba@suse.com>
