--- a/tests/test-metaedit.t	Sat Dec 14 13:31:45 2019 +0530
+++ b/tests/test-metaedit.t	Wed Dec 04 21:06:39 2019 +0530
@@ -64,7 +64,8 @@
   $ hg update --clean .
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg metaedit -r 0
-  abort: cannot edit commit information for public revisions
+  abort: cannot metaedit public changesets: ea207398892e
+  (see 'hg help phases' for details)
   [255]
   $ hg metaedit --fold
   abort: revisions must be specified with --fold
@@ -81,8 +82,8 @@
   [255]
 check that metaedit respects allowunstable
   $ hg metaedit '.^' --config 'experimental.evolution=createmarkers, allnewcommands'
-  abort: cannot edit commit information in the middle of a stack
-  (587528abfffe will become unstable and new unstable changes are not allowed)
+  abort: performing 'metaedit' in the middle of a stack will orphan 587528abfffe
+  (see 'hg help evolution.instability')
   [255]
   $ hg metaedit 'desc(A)::desc(B)' --fold --config 'experimental.evolution=createmarkers, allnewcommands'
   abort: performing 'fold' in the middle of a stack will orphan 3260958f1169 and its 3 descendants