Cygwin had trouble running the tests
@ -473,7 +473,7 @@ if [ $$error_occured -gt 0 ]; then echo $$error_occured > $(ERROR_FILE); fi;
endef
define RUN_TEST
+error_occured=0;\
$($(TEST)_COMMAND))\
$($(TEST)_COMMAND)\
if [ $$error_occured -gt 0 ]; then echo $$error_occured > $(ERROR_FILE); fi;