--- a/tests/test-http.t	Thu Feb 16 09:38:52 2017 -0800
+++ b/tests/test-http.t	Thu Feb 16 00:13:29 2017 -0800
@@ -23,7 +23,7 @@
   [255]
 #else
   $ hg serve -p $HGPORT1 2>&1
-  abort: cannot start server at ':$HGPORT1': Address already in use
+  abort: cannot start server at 'localhost:$HGPORT1': Address already in use
   [255]
 #endif
   $ cd ..