--- a/tests/test-nested-repo	Sat Aug 18 20:21:14 2007 +0200
+++ b/tests/test-nested-repo	Sat Aug 18 21:36:10 2007 -0300
@@ -13,6 +13,10 @@
 hg st b/x
 hg add b/x
 
+echo '# should fail'
+hg add b b/x
+hg st
+
 echo '# should arguably print nothing'
 hg st b