Test if a failed active object can be cancelled after a restart. This is for a bug that a persistent object was referred to by an active buffer, thus it caused an exception to commit or abort it after volatile objects have disappeared.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12013 20353a03-c40f-0410-a6d1-a30d3c3de9de