byte[] s0bs = GetSerializedBytes.req.send(future, s0);
assertEquals(8, s0bs.length);
(new IAddBytes(-1, s0bs)).send(future, l2);
l2sl = GetSerializedLength.req.send(future, l2);
assertEquals(20, l2sl);
(new ISetBytes(0, s0bs)).send(future, l2);
l2sl = GetSerializedLength.req.send(future, l2);
assertEquals(24, l2sl);
(new IRemove(0)).send(future, l2);
l2sl = GetSerializedLength.req.send(future, l2);
assertEquals(16, l2sl);