--- a/tests/test-copy.t	Tue May 02 18:56:07 2017 +0200
+++ b/tests/test-copy.t	Tue May 02 22:27:44 2017 +0200
@@ -32,6 +32,7 @@
    b: copy a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
   committing manifest
   committing changelog
+  updating the branch cache
   committed changeset 1:93580a2c28a50a56f63526fb305067e6fbf739c4
 
 we should see two history entries