}
public void testLastMessageDropped() throws Exception {
DISCARD discard=new DISCARD();
ProtocolStack stack=c1.getProtocolStack();
stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK.class);
c1.setOpt(Channel.LOCAL, false);
Message m1=new Message(null, null, 1);
Message m2=new Message(null, null, 2);
Message m3=new Message(null, null, 3);