--- a/tests/test-issue1175.t	Tue May 02 18:56:07 2017 +0200
+++ b/tests/test-issue1175.t	Tue May 02 22:27:44 2017 +0200
@@ -33,6 +33,7 @@
   warning: can't find ancestor for 'b' copied from 'a'!
   committing manifest
   committing changelog
+  updating the branch cache
   committed changeset 5:83a687e8a97c80992ba385bbfd766be181bfb1d1
 
   $ hg verify