--- a/tests/test-evolve.t	Tue Sep 11 16:19:27 2012 +0200
+++ b/tests/test-evolve.t	Wed Sep 12 14:24:23 2012 +0200
@@ -555,6 +555,9 @@
 Test fold
 
   $ rm *.orig
+  $ hg fold
+  no revision to fold
+  [1]
   $ hg fold 6::10
   2 changesets folded
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved