#[test]
    fn compare() {
        let data1 = PortMode::default();
        let data2 = PortMode2::default();
        let buf1 = &mut [0u8; MAX_PAYLOAD_SIZE];
        let buf2 = &mut [0u8; MAX_PAYLOAD_SIZE];
        let len1 = serde_json_core::to_slice(&data1, buf1).unwrap();
        let len2 = serde_json_core::to_slice(&data2, buf2).unwrap();
        assert_eq!(&buf1[..len1], &buf2[..len2]);
    }