# add the test directories
file(GLOB TEST_SUBDIRS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/*")
list(REMOVE_ITEM TEST_SUBDIRS "CMakeFiles")
foreach(DIR ${TEST_SUBDIRS})
    if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${DIR}")
        add_subdirectory(${DIR})
        set_target_properties("${DIR}-tests" PROPERTIES FOLDER "Tests")
    endif()
endforeach()