diff tests/test-shelve2.t @ 45840:527ce85c2e60

errors: introduce StateError and use it from commands and cmdutil

This very similar to an earlier patch (which was for `InputError`).

In this patch, I also updated the transplant extension only because
`test-transplant.t` would otherwise have needed a `#if continueflag`.

Differential Revision: https://phab.mercurial-scm.org/D9310

--- a/tests/test-shelve2.t	Thu Oct 22 13:31:34 2020 -0700
+++ b/tests/test-shelve2.t	Mon Oct 12 12:44:18 2020 -0700
@@ -737,7 +737,7 @@
 #if abortflag
   $ hg unshelve --abort
   abort: no unshelve in progress
-  [255]
+  [20]
 #else
   $ hg abort
   aborting the merge, updating back to 9451eaa6eee3
@@ -912,7 +912,7 @@
   $ hg merge --abort
   abort: cannot abort merge with unshelve in progress
   (use 'hg unshelve --continue' or 'hg unshelve --abort')
-  [255]
+  [20]
 
   $ hg unshelve --abort
   unshelve of 'default' aborted