--- a/tests/test-stack-branch.t	Thu Jun 29 01:58:26 2017 +0530
+++ b/tests/test-stack-branch.t	Thu Jun 29 02:21:09 2017 +0530
@@ -139,8 +139,10 @@
 Also test the revset:
 
   $ hg log -r 'stack()'
-  abort: no active topic to list
-  [255]
+  2 foo {} draft c_c
+  7 foo {} draft c_d
+  4 foo {} draft c_e
+  5 foo {} draft c_f
 
 Case with multiple heads on the topic
 -------------------------------------