--- a/tests/test-topic-debugcb.t	Fri Jan 19 19:18:05 2018 +0100
+++ b/tests/test-topic-debugcb.t	Sat Jan 13 14:35:49 2018 -0800
@@ -255,6 +255,7 @@
   changed topic to "bar" on 2 revisions
   switching to topic foo
   changed topic to "foo" on 2 revisions
+  2 new orphan changesets
 
   $ hg log -G
   @  [9:b14d13efcfa7] E