public void Save()
        {
            try
            {
                var options = CreateNewContextOptions();
                using (var db = new OrderContext(options))
                {
                    ProcessingTestHelper.PopulateDefaultOrderCtx(db);
                }
                using (var db = new OrderContext(options))
                {
                    var repository =
                        new DeliveryZoneRepository(db);

                    var item = ProcessingTestHelper.GenerateDeliveryZone();
                    Assert.DoesNotThrow(() => repository.Save(item));
                    Assert.DoesNotThrow(() => repository.Delete(item));
                    Assert.Greater(item.Id, 0);
                }
            }
            catch (Exception ex)
            {
                LogEventManager.Logger.Error(ex);
                throw;
            }
        }