def METHOD_NAME(self):
    post_data = {
        'sn': 'dc_sn,dc_sn2',
        'barcode': 'barcode',
        'position': '1,2',
        'niw': '',
    }
    response = self.client.post(
        reverse(
            self.dc_admin.get_url_name(),
            args=[self.dc_1.pk]
        ),
        post_data,
        follow=True
    )
    self.assertEqual(response.status_code, 200)
    self.assertEqual(DataCenterAsset.objects.count(), 3)