There was a regression in version 5.15 due to changes in how the ratio
for the various raid profiles got calculated and this in turn had a
cascading effect on unallocated/allocated space reported.
Add a test to ensure this regression doesn't occur again.
Issue: #422
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
