public BlockheadClient(URI destWebsocketURI) throws URISyntaxException {
   this(WebSocketPolicy.newClientPolicy(), destWebsocketURI);
 }
  @Test
  @Ignore("Interrim, not functional yet")
  public void testAddChannel_Client() throws Exception {
    // Client side physical socket
    LocalWebSocketConnection physical = new LocalWebSocketConnection(testname);
    physical.setPolicy(WebSocketPolicy.newClientPolicy());
    physical.onOpen();

    // Server Reader
    MuxDecoder serverRead = new MuxDecoder();

    // Client side Muxer
    Muxer muxer = new Muxer(physical, serverRead);
    DummyMuxAddClient addClient = new DummyMuxAddClient();
    muxer.setAddClient(addClient);

    // Server Writer
    MuxEncoder serverWrite = MuxEncoder.toIncoming(physical);

    // Build AddChannelRequest handshake data
    StringBuilder request = new StringBuilder();
    request.append("GET /echo HTTP/1.1\r\n");
    request.append("Host: localhost\r\n");
    request.append("Upgrade: websocket\r\n");
    request.append("Connection: Upgrade\r\n");
    request.append("Sec-WebSocket-Key: ZDTIRU5vU9xOfkg8JAgN3A==\r\n");
    request.append("Sec-WebSocket-Version: 13\r\n");
    request.append("\r\n");

    // Build AddChannelRequest
    long channelId = 1L;
    MuxAddChannelRequest req = new MuxAddChannelRequest();
    req.setChannelId(channelId);
    req.setEncoding((byte) 0);
    req.setHandshake(request.toString());

    // Have client sent AddChannelRequest
    MuxChannel channel = muxer.getChannel(channelId, true);
    MuxEncoder clientWrite = MuxEncoder.toOutgoing(channel);
    clientWrite.op(req);

    // Have server read request
    serverRead.assertHasOp(MuxOp.ADD_CHANNEL_REQUEST, 1);

    // prepare AddChannelResponse
    StringBuilder response = new StringBuilder();
    response.append("HTTP/1.1 101 Switching Protocols\r\n");
    response.append("Upgrade: websocket\r\n");
    response.append("Connection: upgrade\r\n");
    response.append("Sec-WebSocket-Accept: Kgo85/8KVE8YPONSeyhgL3GwqhI=\r\n");
    response.append("\r\n");

    MuxAddChannelResponse resp = new MuxAddChannelResponse();
    resp.setChannelId(channelId);
    resp.setFailed(false);
    resp.setEncoding((byte) 0);
    resp.setHandshake(resp.toString());

    // Server writes add channel response
    serverWrite.op(resp);

    // TODO: handle the upgrade on client side.
  }