D29063: Fix testpackage-appstream: XDG_DATA_DIRS needs to be explicitly extended

[Harald Sitter]

sitter added a comment.


  Looks reasonable.
  
  @apol thoughts?

REPOSITORY
  R290 KPackage

REVISION DETAIL
  https://phabricator.kde.org/D29063

To: kossebau, #frameworks, mart, apol, sitter, bcooksley
Cc: kde-frameworks-devel, LeGast00n, cblack, michaelh, ngraham, bruns