def METHOD_NAME(self, host, port):
    swrt_name = os.getenv("swrt_name")
    swrt_version_name = os.getenv("swrt_version_name")
    if swrt_name is None or swrt_version_name is None:
        print("Test Runtime Version tag update cancel.")
        return
    path = f"/project/1/runtime/{swrt_name}/version/{swrt_version_name}/tag"
    res = requests.post(
        url=hu.url(host, port) + path,
        json={"tag": "test1"},
        headers=hu.header(),
    )
    response = res.json()
    assert res.status_code == 200
    assert response["code"] == "success"
    res = requests.get(
        url=hu.url(host, port) + path,
        headers=hu.header(),
    )
    response = res.json()
    assert res.status_code == 200
    assert "test1" in response["data"]
    res = requests.delete(hu.url(host, port) + path + "/test1", headers=hu.header())
    assert res.status_code == 200
    print("Test Runtime Version tag update ok.")