btrfs-progs: tests: fix TEST_LOG=dump in convert tests

Test failure in convert tests with log dump does not happen because
_fail is called before that and exits. Other test types are ok.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-08-29 17:42:28 +02:00
parent c6487a7d1d
commit eae83c46f7