D15935: Don't show a emblem for mounted disks, only unmounted disks

[Nathaniel Graham]

ngraham edited the test plan for this revision.

REPOSITORY
  R245 Solid

REVISION DETAIL
  https://phabricator.kde.org/D15935

To: ngraham, #vdg
Cc: kde-frameworks-devel, michaelh, ngraham, bruns