def METHOD_NAME():
    headers = make_headers(content_type="text/csv")
    data = "1.0,2.0,5.0"
    responses = []
    for MODEL_NAME in MODEL_NAMES:
        response = requests.post(
            INVOCATION_URL.format(MODEL_NAME), data=data, headers=headers
        ).json()
        responses.append(response)
    error = responses[0]["error"]
    assert "unsupported content type text/csv" in error
    assert responses[1] == {"predictions": [2.5, 3.0, 4.5]}