--- a/tests/test-pick.t	Sat Oct 05 14:26:19 2019 -0400
+++ b/tests/test-pick.t	Mon Oct 07 14:38:56 2019 +0700
@@ -172,6 +172,17 @@
   |
   o  0:1f0dee641bb7 add a
   
+
+there were no changes to commit, so there shouldn't be any predecessors of 6,
+and 2 should say it was pruned (issue6093)
+
+  $ hg olog --all --hidden -r 2+6
+  x  4538525df7e2 (2) add c
+       pruned using pick by test (Thu Jan 01 00:00:00 1970 +0000)
+  
+  @  c4636a81ebeb (6) add c
+  
+
 interrupted pick
 
   $ hg up d46dc301d92f