private static final long serialVersionUID = 1L;
        };

        FessMailDeliveryDepartmentCreator creator1 = new FessMailDeliveryDepartmentCreator(config);
        FessMailDeliveryDepartmentCreator creator2 = new FessMailDeliveryDepartmentCreator(config);

        assertNotNull(creator1);
        assertNotNull(creator2);
        assertNotSame(creator1, creator2);
    }