--- a/tests/test-stack-branch.t	Wed Jun 28 02:45:57 2017 +0200
+++ b/tests/test-stack-branch.t	Wed Jun 28 01:53:21 2017 +0200
@@ -55,7 +55,6 @@
   $ hg up other
   0 files updated, 0 files merged, 4 files removed, 0 files unresolved
   $ hg stack
-  ### topic: None
   ### branch: other
   b2@ c_b (current)
   b1: c_a
@@ -71,7 +70,6 @@
   $ hg branch
   foo
   $ hg stack
-  ### topic: None
   ### branch: foo
   b4@ c_f (current)
   b3: c_e
@@ -120,7 +118,6 @@
   o  0 other {} public c_a
   
   $ hg stack
-  ### topic: None
   ### branch: foo
   b4$ c_f (unstable)
   b3$ c_e (unstable)
@@ -130,7 +127,6 @@
   $ hg up b3
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg stack
-  ### topic: None
   ### branch: foo
   b4$ c_f (unstable)
   b3$ c_e (current unstable)
@@ -200,8 +196,7 @@
 Test output
 
   $ hg stack
-  ### topic: None (2 heads)
-  ### branch: foo
+  ### branch: foo (2 heads)
   b6: c_f
   b5: c_e
   b2^ c_d (base)
@@ -244,8 +239,7 @@
   
 
   $ hg stack
-  ### topic: None (2 heads)
-  ### branch: foo
+  ### branch: foo (2 heads)
   b6$ c_f (unstable)
   b5$ c_e (unstable)
   b2^ c_D (base)