Merge topic 'ctest-add_subdirectory' 7c5a120c38 Tests: Add case covering both ctest subdirectory commands 04deda1d2a CTest: Extract common implementation of add_subdirectory and subdirs Acked-by: Kitware Robot <kwrobot@kitware.com> Acked-by: buildbot <buildbot@kitware.com> Merge-request: !6795