D15825: move testing of common tags of test files to a new data-driven test for taglibextractor

[Alexander Stippich]

astippich edited the summary of this revision.

REPOSITORY
  R286 KFileMetaData

BRANCH
  refactor_taglib_extractor_tests

REVISION DETAIL
  https://phabricator.kde.org/D15825

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