Fix some small mistakes in tests using availability information.
Fix some small mistakes in tests using availability information.

Related: #12

These showed up because fewer tests are skipped with the finer granularity.

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

rvykydal/blivet,vpodzime/blivet,vpodzime/blivet,AdamWill/blivet,vojtechtrefny/blivet,jkonecny12/blivet,AdamWill/blivet,jkonecny12/blivet,rvykydal/blivet,rhinstaller/blivet,vojtechtrefny/blivet,rhinstaller/blivet