--- a/tests/test-evolve-topic.t	Tue Jul 04 00:15:36 2017 +0530
+++ b/tests/test-evolve-topic.t	Tue Jul 04 01:30:14 2017 +0530
@@ -78,7 +78,7 @@
   t3: add eee
   t2: add ddd
   t1: add ccc
-    ^ add bbb
+  t0^ add bbb (base)
   $ hg up 'desc(ddd)'
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ echo ddd >> ddd