diff -r b5a48e4aeec6 -r ae690d39fc92 tests/test-split.t
--- a/tests/test-split.t	Mon Jul 24 01:45:03 2017 +0200
+++ b/tests/test-split.t	Sun Jul 23 20:33:19 2017 +0200
@@ -131,10 +131,21 @@
   $ hg split
   abort: uncommitted changes
   [255]
+  $ hg up "desc(_c)" -C
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+Cannot split public changeset
+
+  $ hg phase --rev 'desc("_a")'
+  0: draft
+  $ hg phase --rev 'desc("_a")' --public
+  $ hg split --rev 'desc("_a")'
+  abort: cannot split public changesets: 135f39f4bd78
+  (see 'hg help phases' for details)
+  [255]
+  $ hg phase --rev 'desc("_a")' --draft --force
 
 Split a revision specified with -r
-  $ hg up "desc(_c)" -C
-  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo "change to b" >> _b
   $ hg amend -m "_cprim"
   2 new unstable changesets
@@ -338,7 +349,8 @@
   > evolutioncommands=split
   > EOF
   $ hg split -r "desc(split3)"
-  abort: cannot split commit: ead2066d1dbf not a head
+  abort: split will orphan 4 descendants
+  (see 'hg help evolution.instability')
   [255]
 
 Changing evolution level to createmarkers