Improve detection of excluded test targets

Author: TheAssassin

tests/CMakeLists.txt

@@ -5,7 +5,9 @@ set(TEST_DATA_DIR ${CMAKE_CURRENT_SOURCE_DIR}/data)
 if(NOT COMMAND ld_add_test)
     function(ld_add_test TARGET_NAME)
         get_target_property(${TARGET_NAME}_EXCLUDE_FROM_ALL ${TARGET_NAME} EXCLUDE_FROM_ALL)
-        if(NOT ${${TARGET_NAME}_EXCLUDE_FROM_ALL})
+        get_directory_property(PROJECT_EXCLUDE_FROM_ALL DIRECTORY ${PROJECT_SOURCE_DIR} EXCLUDE_FROM_ALL)
+
+        if(NOT ${TARGET_NAME}_EXCLUDE_FROM_ALL AND NOT PROJECT_EXCLUDE_FROM_ALL)
             message(STATUS "[${PROJECT_NAME}] Adding test ${TARGET_NAME}")
 
             # https://stackoverflow.com/a/35697020