Removed CMAKE_SOURCE_DIR usage from test/CMakeLists.txt
Removed CMAKE_SOURCE_DIR usage from test/CMakeLists.txt

luis-pereira/libqtxdg,lxde/libqtxdg,DrTobe/libqtxdg,luis-pereira/libqtxdg,DrTobe/libqtxdg,libqtxdg/libqtxdg,libqtxdg/libqtxdg,lxde/libqtxdg,DrTobe/libqtxdg