assertNull(user.getDestinationIndicator());

        user.setDestinationIndicator("US");
        assertEquals("US", user.getDestinationIndicator());
    }

    @Test
    public void test_user_internationaliSDNNumber() {
        final User user = new User();
        assertNull(user.getInternationaliSDNNumber());

        user.setInternationaliSDNNumber("+1-555-1234");