diff --git a/tests/test-newbranch.out b/tests/test-newbranch.out
--- a/tests/test-newbranch.out
+++ b/tests/test-newbranch.out
@@ -94,3 +94,6 @@ foo                            4:4909a37
 bar                            2:67ec16bde7f1575d523313b9bca000f6a6f12dca
 % test old hg reading branch cache with feature list
 ValueError raised correctly, good.
+% update with no arguments: tipmost revision of the current branch
+bf1bc2f45e83
+4909a3732169 (foo) tip