--- a/tests/test-topic-stack.t	Fri Sep 22 18:01:29 2017 +0200
+++ b/tests/test-topic-stack.t	Tue Sep 26 12:39:11 2017 +0200
@@ -17,6 +17,7 @@
   $ echo aaa > aaa
   $ hg add aaa
   $ hg commit -m c_a
+  active topic 'other' grew its first changeset
   $ echo aaa > bbb
   $ hg add bbb
   $ hg commit -m c_b
@@ -24,6 +25,7 @@
   $ echo aaa > ccc
   $ hg add ccc
   $ hg commit -m c_c
+  active topic 'foo' grew its first changeset
   $ echo aaa > ddd
   $ hg add ddd
   $ hg commit -m c_d
@@ -575,6 +577,7 @@
   $ echo bbb > bbb
   $ hg commit -Am 'c_B'
   adding bbb
+  active topic 'red' grew its first changeset
   $ echo ccc > ccc
   $ hg commit -Am 'c_C'
   adding ccc
@@ -582,6 +585,7 @@
   $ echo ddd > ddd
   $ hg commit -Am 'c_D'
   adding ddd
+  active topic 'blue' grew its first changeset
   $ hg up 'desc("c_B")'
   switching to topic red
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved