--- a/tests/test-directaccess.t	Tue Jan 16 21:42:42 2018 +0900
+++ b/tests/test-directaccess.t	Tue Jan 16 21:51:27 2018 +0900
@@ -162,6 +162,9 @@
   $ hg up 3
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
+  $ hg up
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
 `hg revert`
 
   $ hg revert -r 28ad74 --all