def METHOD_NAME(self):
    response = self.client.post(
        path=reverse(viewname="v1:cluster"),
        data={"name": self.cluster.name, "prototype_id": self.cluster.prototype.pk},
        content_type=APPLICATION_JSON,
    )
    self.assertEqual(response.status_code, status.HTTP_409_CONFLICT)
    self.assertEqual(response.json()["code"], "CLUSTER_CONFLICT")
    self.assertEqual(response.json()["desc"], f'Cluster with name "{self.cluster.name}" already exists')