def METHOD_NAME(self):
    self.webuser.delete_domain_membership(self.domain)
    with self.assertRaises(NotImplementedError):
        self.ccuser.delete_domain_membership(self.domain)
    self.assertFalse(self.webuser.is_member_of(self.domain))
    self.assertFalse(self.webuser2.is_member_of(self.domain))
    self.assertTrue(self.ccuser.is_member_of(self.domain))
    self.assertEqual(self.ccuser.get_domain_membership(self.domain).domain, self.domain)