--- a/tests/test-evolve-obshistory.t	Fri Jan 05 09:23:09 2018 +0100
+++ b/tests/test-evolve-obshistory.t	Fri Jan 05 09:51:07 2018 +0100
@@ -178,6 +178,7 @@
   (use --hidden to access hidden revisions; successor: 4ae3a4151de9)
   [255]
   $ hg update --hidden "desc(A0)"
+  updating to a hidden changeset 471f378eab4c
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (471f378eab4c)
   (use 'hg evolve' to update to its successor: 4ae3a4151de9)
@@ -278,6 +279,7 @@
   (use --hidden to access hidden revisions; pruned)
   [255]
   $ hg up --hidden -r 'desc(B0)'
+  updating to a hidden changeset 0dec01379d3b
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (0dec01379d3b)
   (use 'hg evolve' to update to its parent successor)
@@ -474,6 +476,7 @@
   (use --hidden to access hidden revisions; successors: 337fec4d2edc, f257fde29c7a)
   [255]
   $ hg update --hidden 'min(desc(A0))'
+  updating to a hidden changeset 471597cad322
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (471597cad322)
   (use 'hg evolve' to update to its tipmost successor: 337fec4d2edc, f257fde29c7a)
@@ -751,6 +754,7 @@
   (use --hidden to access hidden revisions; successors: 337fec4d2edc, f257fde29c7a and 2 more)
   [255]
   $ hg update --hidden 'min(desc(A0))'
+  updating to a hidden changeset de7290d8b885
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (de7290d8b885)
   (use 'hg evolve' to update to its tipmost successor: 337fec4d2edc, f257fde29c7a and 2 more)
@@ -968,6 +972,7 @@
   (use --hidden to access hidden revisions; successor: eb5a0daa2192)
   [255]
   $ hg update --hidden 'desc(A0)'
+  updating to a hidden changeset 471f378eab4c
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory parent is obsolete! (471f378eab4c)
   (use 'hg evolve' to update to its successor: eb5a0daa2192)
@@ -978,6 +983,7 @@
   (use --hidden to access hidden revisions; successor: eb5a0daa2192)
   [255]
   $ hg update --hidden 'desc(B0)'
+  updating to a hidden changeset 0dec01379d3b
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (0dec01379d3b)
   (use 'hg evolve' to update to its successor: eb5a0daa2192)
@@ -1013,6 +1019,7 @@
      summary:     ROOT
   
   $ hg update --hidden 'desc(A0)'
+  updating to a hidden changeset 471f378eab4c
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (471f378eab4c)
   (use 'hg evolve' to update to its successor: fdf9bde5129a)
@@ -1293,6 +1300,7 @@
   (use --hidden to access hidden revisions; diverged)
   [255]
   $ hg update --hidden 'desc(A0)'
+  updating to a hidden changeset 471f378eab4c
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (471f378eab4c)
   (471f378eab4c has diverged, use 'hg evolve --list --content-divergent' to resolve the issue)
@@ -1515,10 +1523,12 @@
   (use --hidden to access hidden revisions; successor: eb5a0daa2192)
   [255]
   $ hg update --hidden 'desc(A0)'
+  updating to a hidden changeset 471f378eab4c
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory parent is obsolete! (471f378eab4c)
   (use 'hg evolve' to update to its successor: eb5a0daa2192)
   $ hg update --hidden 0dec01379d3b
+  updating to a hidden changeset 0dec01379d3b
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory parent is obsolete! (0dec01379d3b)
   (use 'hg evolve' to update to its successor: eb5a0daa2192)