Expand coverage of devices_test.dependencies_test a bit.
Expand coverage of devices_test.dependencies_test a bit.

jkonecny12/blivet,vojtechtrefny/blivet,rvykydal/blivet,rhinstaller/blivet,vojtechtrefny/blivet,rhinstaller/blivet,rvykydal/blivet,jkonecny12/blivet