--- a/tests/test-fncache.t	Fri Jan 16 19:35:04 2015 -0800
+++ b/tests/test-fncache.t	Fri Jan 16 18:34:14 2015 -0800
@@ -81,6 +81,7 @@
   .hg/phaseroots
   .hg/requires
   .hg/undo
+  .hg/undo.backupfiles
   .hg/undo.bookmarks
   .hg/undo.branch
   .hg/undo.desc
@@ -114,6 +115,7 @@
   .hg/store/data/tst.d.hg/_foo.i
   .hg/store/phaseroots
   .hg/store/undo
+  .hg/store/undo.backupfiles
   .hg/store/undo.phaseroots
   .hg/undo.bookmarks
   .hg/undo.branch