@Test
public void serializeWithLongID() throws Exception {

    LWM2MResource manufacturer = new LWM2MResource(LWM2MID.from(256), "ARM");
    byte[] manufacturerTLV = TLVSerializer.serialize(manufacturer);
    assertThat(manufacturerTLV.length, equalTo(6) );
    assertArrayEquals( new byte[] {
            (byte) 0b11_1_00_011,
            (byte) 1,
            (byte) 0,
            'A', 'R', 'M',
            },
    manufacturerTLV);
}