--- a/tests/test-casefolding.t	Tue May 07 05:04:11 2013 +0900
+++ b/tests/test-casefolding.t	Tue May 07 05:04:11 2013 +0900
@@ -128,6 +128,8 @@
   $ hg update -q -C 0
   $ hg status -A
   C a
+  $ hg update -q -C 3
+  $ hg update -q 0
 
   $ cd ..