D12950: add test which checks the property types

[Alexander Stippich]

astippich added a comment.


  ping! I would like to land this as a preparation for T8196 
<https://phabricator.kde.org/T8196>

REPOSITORY
  R286 KFileMetaData

REVISION DETAIL
  https://phabricator.kde.org/D12950

To: astippich, mgallien, bruns
Cc: kde-frameworks-devel, #baloo, ashaposhnikov, michaelh, astippich, spoorun, 
ngraham, bruns, abrahams