public void Update()
        {
            try
            {
                rt.srz.model.srz.InsuredPerson entityC = CreateNew();
                manager.Save(entityC);
                manager.Session.GetISession().Flush();
                manager.Session.GetISession().Clear();

                rt.srz.model.srz.InsuredPerson entityA = GetFirstInsuredPerson();

                entityA.MainPolisNumber = "Test ";

                manager.Update(entityA);

                rt.srz.model.srz.InsuredPerson entityB = manager.GetById(entityA.Id);

                Assert.AreEqual(entityA.MainPolisNumber, entityB.MainPolisNumber);
            }
            catch (Exception ex)
            {
                Assert.Fail(ex.ToString());
            }
        }