Unit test needs a newline at the end of file, otherwise clang integration tests will fail

test/public.c

@@ -656,4 +656,4 @@ void _tcase_add_test(TCase *tc,
                      int end){};
 TCase *tcase_create(const char *name) { return NULL; };
 Suite *suite_create(const char *name) { return NULL; };
-#endif
+#endif