--- a/tests/test-phases-exchange.t	Sat Oct 05 01:02:22 2013 +0900
+++ b/tests/test-phases-exchange.t	Thu Oct 03 23:16:06 2013 +0900
@@ -844,7 +844,7 @@
   pushing to ../mu
   searching for changes
   abort: push creates new remote head 435b5d83910c!
-  (did you forget to merge? use push -f to force)
+  (merge or see "hg help push" for details about pushing new heads)
   [255]
   $ hg push -fr 435b5d83910c ../mu # because the push will create new visible head
   pushing to ../mu