@Test
public void serializeTwoResources() throws Exception {

    LWM2MResource manufacturer = new LWM2MResource(LWM2MID.from(0), "ARM");
    LWM2MResource model = new LWM2MResource(LWM2MID.from(1), "nanoservice 2");
    byte[] tlv = TLVSerializer.serializeResources(Arrays.asList(manufacturer, model));
    assertEquals (21, tlv.length);
    assertArrayEquals( new byte[] {
            (byte) 0b11_0_00_011,
            (byte) 0,
            'A', 'R', 'M',
            (byte) 0b11_0_01_000,
            (byte) 1,
            (byte) 13,
            'n', 'a', 'n', 'o', 's', 'e', 'r', 'v', 'i', 'c', 'e', ' ', '2'
            },
            tlv);
}