Tests: fixed http_keepalive.t response logging.
diff --git a/http_keepalive.t b/http_keepalive.t
index ce45e11..2613bd4 100644
--- a/http_keepalive.t
+++ b/http_keepalive.t
@@ -136,6 +136,7 @@
 			last if $data =~ /^\x0d\x0a/ms;
 		}
 
+		log_in($data);
 	}
 
 	return $data;