rebase: add test to demonstrate an issue in dry-run In dry-run mode, the case when there is nothing to rebase is not handled correctly. Added test show that it try to abort a rebase while there is no rebase in progress. This will be fixed in next patch. Differential Revision: https://phab.mercurial-scm.org/D9658

#require docutils gettext

  $ $TESTDIR/check-gendoc ru
  checking for parse errors