btrfs/048: add validation of compression options

btrfs/048: add validation of compression options

The current btrfs/048 test-case did not check the behavior of
properties with options like compression and with the compression
level supplied.

Add test cases for compression with compression level as well so we
can be sure we don't regress there.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>