'get_choices() interacts with get_FIELD_display() to return the expected
values.'

def test_choices_and_field_display(self):

    self.assertEqual(Whiz(c=1).get_c_display(), 'First')
    self.assertEqual(Whiz(c=0).get_c_display(), 'Other')
    self.assertEqual(Whiz(c=9).get_c_display(), 9)
    self.assertIsNone(Whiz(c=None).get_c_display())
    self.assertEqual(Whiz(c='').get_c_display(), '')
