'Call ``PATCH /groups/{group_id}`` with domain_id.
A group\'s `domain_id` is immutable. Ensure that any attempts to update
the `domain_id` of a group fails.'

def test_update_group_domain_id(self):

    self.group['domain_id'] = CONF.identity.default_domain_id
    self.patch(('/groups/%(group_id)s' % {'group_id': self.group['id']}), body={'group': self.group}, expected_status=exception.ValidationError.code)
