--- a/tests/test-checkheads-pruned-B1.t	Wed Mar 29 14:02:46 2017 +0200
+++ b/tests/test-checkheads-pruned-B1.t	Fri Mar 31 13:42:28 2017 +0200
@@ -46,7 +46,7 @@
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ mkcommit B0
   created new head
-  $ hg debugobsolete `getid "desc(A0)"`
+  $ hg debugobsolete --record-parents `getid "desc(A0)"`
   $ hg log -G --hidden
   @  74ff5441d343 (draft): B0
   |
@@ -65,6 +65,7 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
+  1 new obsolescence markers