def METHOD_NAME(self):
    data = {
        'baseobjectlicence_set-TOTAL_FORMS': 1,
        'baseobjectlicence_set-INITIAL_FORMS': 0,
        'baseobjectlicence_set-MIN_NUM_FORMS': 0,
        'baseobjectlicence_set-MAX_NUM_FORMS': 1000,
        'baseobjectlicence_set-0-id': '',
        'baseobjectlicence_set-0-licence': self.licence.id,
        'baseobjectlicence_set-0-base_object': self.bo_2.id,
        'baseobjectlicence_set-0-quantity': 1,
    }
    response = self.client.post(
        reverse(
            'admin:licences_licence_assignments', args=(self.licence.id,)
        ),
        data=data,
        follow=True
    )
    self.assertContains(
        response, 'Asset region is in a different region than licence.'
    )