--- a/tests/test-stabilize-order.t	Wed Apr 24 16:35:01 2019 +0800
+++ b/tests/test-stabilize-order.t	Wed Apr 24 17:02:27 2019 +0800
@@ -62,7 +62,7 @@
 
 Test stabilizing a predecessor child
 
-  $ hg evolve -v
+  $ hg evolve -v --rev 'last(orphan())'
   move:[4] addb
   atop:[5] adda
   hg rebase -r 22619daeed78 -d 005fe5914f78