--- a/tests/test-fold.t	Tue Apr 24 08:41:57 2018 +0100
+++ b/tests/test-fold.t	Tue Apr 24 08:42:47 2018 +0100
@@ -112,8 +112,8 @@
 (test inherited from test-evolve.t)
 
   $ hg fold --from 6 # want to run hg fold 6
-  abort: hidden revision '6' was rewritten as: 198b5c405d01!
-  (use --hidden to access hidden revisions)
+  abort: hidden revision '6'!
+  (use --hidden to access hidden revisions; successor: 198b5c405d01)
   [255]
 
   $ hg log -G