Pretend that a non-implemented check is always successful and thus allow
various tests that were qcow2-specific before to be generic.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
015: Combined test to grow the refcount table and test snapshots.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>