@Test
public void serializeStringWithLengthOf13() {

    LWM2MResource model = new LWM2MResource(LWM2MID.from(1), "nanoservice 2");
    byte[] modelTLV = TLVSerializer.serialize(model);
    assertThat(modelTLV.length, equalTo(16) );
    assertArrayEquals( new byte[] {
            (byte) 0b11_0_01_000,
            (byte) 1,
            (byte) 13,
            'n', 'a', 'n', 'o', 's', 'e', 'r', 'v', 'i', 'c', 'e', ' ', '2',
            },
            modelTLV);
}