--- a/tests/test-evolve-topic.t	Tue Aug 28 11:25:32 2018 +0200
+++ b/tests/test-evolve-topic.t	Mon Sep 03 22:09:26 2018 +0200
@@ -80,11 +80,11 @@
   ### topic: foo (?)
   ### branch: default (?)
   ### target: default (branch)
-  t4@ add fff (current)
-  t3: add eee
-  t2: add ddd
-  t1: add ccc
-  t0^ add bbb (base)
+  s4@ add fff (current)
+  s3: add eee
+  s2: add ddd
+  s1: add ccc
+  s0^ add bbb (base)
   $ hg up 'desc(ddd)'
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ echo ddd >> ddd
@@ -259,12 +259,12 @@
   $ hg stack
   ### topic: bar
   ### target: default (branch)
-  t5$ add jjj (unstable)
-  t4$ add iii (unstable)
-  t3$ add hhh (unstable)
-  t2$ add ggg (current unstable)
-  t1: add fff
-  t0^ add eee (base)
+  s5$ add jjj (unstable)
+  s4$ add iii (unstable)
+  s3$ add hhh (unstable)
+  s2$ add ggg (current unstable)
+  s1: add fff
+  s0^ add eee (base)
 
   $ hg prev
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved