D7330: Don't enter test subdirectories if BUILD_TESTING=OFF

[Matthieu Gallien]

mgallien accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R293 Baloo

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D7330

To: asturmlechner, #frameworks, dfaure, mgallien