--- a/tests/test-evolve-topic.t	Wed Mar 21 16:06:17 2018 +0100
+++ b/tests/test-evolve-topic.t	Wed Mar 21 16:18:31 2018 +0100
@@ -87,16 +87,16 @@
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ echo ddd >> ddd
   $ hg amend
-  6 new orphan changesets
+  6 new unstable changesets
   $ hg up 'desc(fff)'
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo fff >> fff
   $ hg amend
 
   $ hg log -G
-  @  11 - {foo} e104f49bab28 add fff (draft)
+  @  13 - {foo} e104f49bab28 add fff (draft)
   |
-  | o  10 - {foo} d9cacd156ffc add ddd (draft)
+  | o  11 - {foo} d9cacd156ffc add ddd (draft)
   | |
   | | o  9 - {bar} 1d964213b023 add jjj (draft)
   | | |
@@ -123,16 +123,16 @@
 
   $ hg evolve --all
   move:[4] add eee
-  atop:[10] add ddd
-  move:[11] add fff
-  atop:[12] add eee
+  atop:[11] add ddd
+  move:[13] add fff
+  atop:[14] add eee
   working directory is now at 070c5573d8f9
   $ hg log -G
-  @  13 - {foo} 070c5573d8f9 add fff (draft)
+  @  15 - {foo} 070c5573d8f9 add fff (draft)
   |
-  o  12 - {foo} 42b49017ff90 add eee (draft)
+  o  14 - {foo} 42b49017ff90 add eee (draft)
   |
-  o  10 - {foo} d9cacd156ffc add ddd (draft)
+  o  11 - {foo} d9cacd156ffc add ddd (draft)
   |
   | o  9 - {bar} 1d964213b023 add jjj (draft)
   | |
@@ -160,28 +160,28 @@
 
   $ hg evolve --rev 'topic(bar)'
   move:[6] add ggg
-  atop:[13] add fff
+  atop:[15] add fff
   move:[7] add hhh
-  atop:[14] add ggg
+  atop:[16] add ggg
   move:[8] add iii
-  atop:[15] add hhh
+  atop:[17] add hhh
   move:[9] add jjj
-  atop:[16] add iii
+  atop:[18] add iii
   working directory is now at 9bf430c106b7
   $ hg log -G
-  @  17 - {bar} 9bf430c106b7 add jjj (draft)
+  @  19 - {bar} 9bf430c106b7 add jjj (draft)
   |
-  o  16 - {bar} d2dc89c57700 add iii (draft)
+  o  18 - {bar} d2dc89c57700 add iii (draft)
   |
-  o  15 - {bar} 20bc4d02aa62 add hhh (draft)
+  o  17 - {bar} 20bc4d02aa62 add hhh (draft)
   |
-  o  14 - {bar} 16d6f664b17c add ggg (draft)
+  o  16 - {bar} 16d6f664b17c add ggg (draft)
   |
-  o  13 - {foo} 070c5573d8f9 add fff (draft)
+  o  15 - {foo} 070c5573d8f9 add fff (draft)
   |
-  o  12 - {foo} 42b49017ff90 add eee (draft)
+  o  14 - {foo} 42b49017ff90 add eee (draft)
   |
-  o  10 - {foo} d9cacd156ffc add ddd (draft)
+  o  11 - {foo} d9cacd156ffc add ddd (draft)
   |
   o  2 - {foo} cced9bac76e3 add ccc (draft)
   |
@@ -200,10 +200,10 @@
   0 files updated, 0 files merged, 4 files removed, 0 files unresolved
   $ hg prev
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
-  [12] add eee
+  [14] add eee
   $ hg next
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
-  [13] add fff
+  [15] add fff
   $ hg next
   no children on topic "foo"
   do you want --no-topic
@@ -211,11 +211,11 @@
   $ hg next --no-topic
   switching to topic bar
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
-  [14] add ggg
+  [16] add ggg
   $ hg prev
   preserving the current topic 'bar'
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
-  [13] add fff
+  [15] add fff
   $ hg prev
   no parent in topic "bar"
   (do you want --no-topic)
@@ -223,24 +223,24 @@
   $ hg prev --no-topic
   switching to topic foo
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
-  [12] add eee
+  [14] add eee
 
 Testing when instability is involved
 
   $ hg log -G
-  o  17 - {bar} 9bf430c106b7 add jjj (draft)
+  o  19 - {bar} 9bf430c106b7 add jjj (draft)
   |
-  o  16 - {bar} d2dc89c57700 add iii (draft)
+  o  18 - {bar} d2dc89c57700 add iii (draft)
   |
-  o  15 - {bar} 20bc4d02aa62 add hhh (draft)
+  o  17 - {bar} 20bc4d02aa62 add hhh (draft)
   |
-  o  14 - {bar} 16d6f664b17c add ggg (draft)
+  o  16 - {bar} 16d6f664b17c add ggg (draft)
   |
-  o  13 - {foo} 070c5573d8f9 add fff (draft)
+  o  15 - {foo} 070c5573d8f9 add fff (draft)
   |
-  @  12 - {foo} 42b49017ff90 add eee (draft)
+  @  14 - {foo} 42b49017ff90 add eee (draft)
   |
-  o  10 - {foo} d9cacd156ffc add ddd (draft)
+  o  11 - {foo} d9cacd156ffc add ddd (draft)
   |
   o  2 - {foo} cced9bac76e3 add ccc (draft)
   |
@@ -266,27 +266,27 @@
 
   $ hg prev
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
-  [18] add fff
+  [20] add fff
 
 Testing issue 5708 when we are on obsolete changeset and there is active topic
 ------------------------------------------------------------------------------
 
   $ hg log --graph
-  @  18 - {bar} 793eb6370b2d add fff (draft)
+  @  20 - {bar} 793eb6370b2d add fff (draft)
   |
-  | o  17 - {bar} 9bf430c106b7 add jjj (draft)
+  | o  19 - {bar} 9bf430c106b7 add jjj (draft)
   | |
-  | o  16 - {bar} d2dc89c57700 add iii (draft)
+  | o  18 - {bar} d2dc89c57700 add iii (draft)
   | |
-  | o  15 - {bar} 20bc4d02aa62 add hhh (draft)
+  | o  17 - {bar} 20bc4d02aa62 add hhh (draft)
   | |
-  | o  14 - {bar} 16d6f664b17c add ggg (draft)
+  | o  16 - {bar} 16d6f664b17c add ggg (draft)
   | |
-  | x  13 - {foo} 070c5573d8f9 add fff (draft)
+  | x  15 - {foo} 070c5573d8f9 add fff (draft)
   |/
-  o  12 - {foo} 42b49017ff90 add eee (draft)
+  o  14 - {foo} 42b49017ff90 add eee (draft)
   |
-  o  10 - {foo} d9cacd156ffc add ddd (draft)
+  o  11 - {foo} d9cacd156ffc add ddd (draft)
   |
   o  2 - {foo} cced9bac76e3 add ccc (draft)
   |
@@ -310,42 +310,48 @@
   working directory parent is obsolete! (20bc4d02aa62)
   (use 'hg evolve' to update to its successor: d834582d9ee3)
   $ hg log -Gr 14::
-  o  19 - {bar} d834582d9ee3 add hhh (draft)
+  o  22 - {bar} d834582d9ee3 add hhh (draft)
   |
-  | o  17 - {bar} 9bf430c106b7 add jjj (draft)
+  | o  20 - {bar} 793eb6370b2d add fff (draft)
   | |
-  | o  16 - {bar} d2dc89c57700 add iii (draft)
+  | | o  19 - {bar} 9bf430c106b7 add jjj (draft)
+  | | |
+  | | o  18 - {bar} d2dc89c57700 add iii (draft)
+  | | |
+  +---@  17 - {bar} 20bc4d02aa62 add hhh (draft)
   | |
-  | @  15 - {bar} 20bc4d02aa62 add hhh (draft)
+  o |  16 - {bar} 16d6f664b17c add ggg (draft)
+  | |
+  x |  15 - {foo} 070c5573d8f9 add fff (draft)
   |/
-  o  14 - {bar} 16d6f664b17c add ggg (draft)
+  o  14 - {foo} 42b49017ff90 add eee (draft)
   |
   ~
 
   $ hg prev
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
-  [14] add ggg
+  [16] add ggg
 
 When the current topic and successors topic are same, but obsolete cset has
 different topic
 
   $ hg rebase -s d2dc89c57700 -d d834582d9ee3 --config extensions.rebase=
-  rebasing 16:d2dc89c57700 "add iii" (bar)
-  rebasing 17:9bf430c106b7 "add jjj" (bar)
+  rebasing 18:d2dc89c57700 "add iii"
+  rebasing 19:9bf430c106b7 "add jjj"
   $ hg log -Gr 42b49017ff90::
-  o  21 - {bar} 7542e76aba2c add jjj (draft)
+  o  24 - {bar} 7542e76aba2c add jjj (draft)
   |
-  o  20 - {bar} 7858bd7e9906 add iii (draft)
+  o  23 - {bar} 7858bd7e9906 add iii (draft)
   |
-  o  19 - {bar} d834582d9ee3 add hhh (draft)
+  o  22 - {bar} d834582d9ee3 add hhh (draft)
   |
-  | o  18 - {bar} 793eb6370b2d add fff (draft)
+  | o  20 - {bar} 793eb6370b2d add fff (draft)
   | |
-  @ |  14 - {bar} 16d6f664b17c add ggg (draft)
+  @ |  16 - {bar} 16d6f664b17c add ggg (draft)
   | |
-  x |  13 - {foo} 070c5573d8f9 add fff (draft)
+  x |  15 - {foo} 070c5573d8f9 add fff (draft)
   |/
-  o  12 - {foo} 42b49017ff90 add eee (draft)
+  o  14 - {foo} 42b49017ff90 add eee (draft)
   |
   ~
 
@@ -370,4 +376,4 @@
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg prev
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
-  [12] add eee
+  [14] add eee