it can fail with again somehow

Author: TingDaoK

tests/s3_data_plane_tests.c

@@ -5877,6 +5877,7 @@ static int s_test_s3_bad_endpoint(struct aws_allocator *allocator, void *ctx) {
 
     ASSERT_TRUE(
         meta_request_test_results.finished_error_code == AWS_IO_DNS_INVALID_NAME ||
+        meta_request_test_results.finished_error_code == AWS_IO_DNS_QUERY_AGAIN ||
         meta_request_test_results.finished_error_code == AWS_IO_DNS_QUERY_FAILED);
 
     aws_s3_meta_request_test_results_clean_up(&meta_request_test_results);