--- a/tests/test-topic-stack.t	Fri Sep 15 23:25:38 2017 +0530
+++ b/tests/test-topic-stack.t	Sun Sep 17 19:59:25 2017 +0200
@@ -548,7 +548,7 @@
 
   $ hg stack foo
   ### topic: foo
-  ### branch: default, ambigious rebase destination
+  ### branch: default, ambigious rebase destination - topic 'foo' has 3 heads
   t4: c_f
     ^ c_e
   t3: c_h
@@ -637,7 +637,7 @@
   t0^ c_A (base)
   $ hg stack blue
   ### topic: blue
-  ### branch: default, ambigious rebase destination
+  ### branch: default, ambigious rebase destination - topic 'blue' has 3 heads
   t3@ c_I (current)
     ^ c_H
   t2: c_D
@@ -690,7 +690,7 @@
 
   $ hg stack red
   ### topic: red
-  ### branch: default, ambigious rebase destination
+  ### branch: default, ambigious rebase destination - topic 'red' has 3 heads
   t5$ c_H (unstable)
     ^ c_G
     ^ c_D
@@ -702,7 +702,7 @@
   t0^ c_A (base)
   $ hg stack blue
   ### topic: blue
-  ### branch: default, ambigious rebase destination
+  ### branch: default, ambigious rebase destination - topic 'blue' has 3 heads
   t3$ c_I (unstable)
     ^ c_H
   t2$ c_G (unstable)
@@ -764,7 +764,7 @@
 
   $ hg stack red
   ### topic: red
-  ### branch: default, ambigious rebase destination
+  ### branch: default, ambigious rebase destination - topic 'red' has 3 heads
   t5$ c_H (unstable)
     ^ c_G
     ^ c_D
@@ -776,7 +776,7 @@
   t0^ c_A (base)
   $ hg stack blue
   ### topic: blue
-  ### branch: default, ambigious rebase destination
+  ### branch: default, ambigious rebase destination - topic 'blue' has 3 heads
   t3$ c_I (unstable)
     ^ c_H
   t2$ c_G (unstable)