--- a/tests/test-prev-next.t	Wed May 17 14:49:02 2017 +0200
+++ b/tests/test-prev-next.t	Wed May 17 09:28:10 2017 +0200
@@ -47,6 +47,9 @@
   $ hg bookmarks
      mark                      1:6e742c9127b3
    * mark2                     0:a154386e50d1
+  $ hg next --dry-run --color=debug
+  hg update 1;
+  [[evolve.rev|1]] added b
   $ hg next
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   [1] added b
@@ -147,6 +150,9 @@
   $ hg next --evolve
   no children
   [1]
+  $ hg prev --dry-run --color=debug
+  hg update 1;
+  [[evolve.rev|1]] added b
   $ hg prev
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   [1] added b