--- a/entities/test/unittest_wfobjs.py	Thu Oct 07 19:02:00 2010 +0200
+++ b/entities/test/unittest_wfobjs.py	Fri Oct 08 07:43:38 2010 +0200
@@ -618,6 +618,8 @@
                                iworkflowable.fire_transition, 'deactivate')
         self.assertEqual(self._cleanup_msg(ex.errors['by_transition-subject']),
                                             u"transition isn't allowed from")
+        cnx.rollback()
+        session.set_pool()
         # get back now
         iworkflowable.fire_transition('activate')
         cnx.commit()