refactor: rename test macro to prevent collisions (#91)

* refactor: rename test macro to prevent collisions

* style: align cmake epilog

* refactor: rename define in makefiles

src/bacnet/event.c

@@ -861,7 +861,7 @@ int event_notify_decode_service_request(
     return len;
 }
 
-#ifdef TEST
+#ifdef BAC_TEST
 
 #include <assert.h>
 #include <string.h>
@@ -1503,4 +1503,4 @@ int main(void)
 }
 
 #endif /* TEST_EVENT */
-#endif /* TEST */
+#endif /* BAC_TEST */