--- a/tests/test-topic-stack-complex.t	Tue Aug 28 11:25:32 2018 +0200
+++ b/tests/test-topic-stack-complex.t	Mon Sep 03 22:09:26 2018 +0200
@@ -42,10 +42,10 @@
   $ hg stack
   ### topic: foo
   ### target: default (branch)
-  t3@ Added e and f (current)
-  t2: Added c and d
-  t1: Added a and b
-  t0^ Added foo (base)
+  s3@ Added e and f (current)
+  s2: Added c and d
+  s1: Added a and b
+  s0^ Added foo (base)
   $ hg prev
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   [2] Added c and d
@@ -85,11 +85,11 @@
   $ hg stack
   ### topic: foo
   ### target: default (branch)
-  t4$ Added e and f (unstable)
-  t3@ split2 (current)
-  t2: split1
-  t1: Added a and b
-  t0^ Added foo (base)
+  s4$ Added e and f (unstable)
+  s3@ split2 (current)
+  s2: split1
+  s1: Added a and b
+  s0^ Added foo (base)
 
   $ hg show work
   @  5ccee (foo) split2
@@ -128,8 +128,8 @@
   $ hg stack
   ### topic: foo (2 heads)
   ### target: default (branch), 2 behind
-  t4$ Added e and f (unstable)
-  t3$ split2 (unstable)
-  t2@ split1 (current)
-  t1: Added a and b
-  t0^ Added foo (base)
+  s4$ Added e and f (unstable)
+  s3$ split2 (unstable)
+  s2@ split1 (current)
+  s1: Added a and b
+  s0^ Added foo (base)