More tests to check writing and reading labels (#1038590)
More tests to check writing and reading labels (#1038590)

Related: rhbz#1038590

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

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