def METHOD_NAME(self):
    url = reverse('baseobjectlicence-list')
    data = {
        "base_object": self.base_object.id,
        "licence": self.licence1.id
    }
    response = self.client.post(url, data=data, format='json')
    self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
    self.assertEqual(
        response.data['non_field_errors'],
        ['Asset region is in a different region than licence.']
    )