}

    @Test
    public void test_user_city() {
        final User user = new User();
        assertNull(user.getCity());

        user.setCity("San Francisco");
        assertEquals("San Francisco", user.getCity());
    }

    @Test
    public void test_user_postOfficeBox() {
        final User user = new User();
        assertNull(user.getPostOfficeBox());

                  ),
                ),
                listOf(
                  AttributeTypeAndValue(
                    type = localityName,
                    value = "San Francisco",
                  ),
                ),
                listOf(
                  AttributeTypeAndValue(
                    type = country,
                    value = "US",
                  ),