@Override
        public void onRequestStart(final FaultTolerantClient client, final RequestData request) {
            startCount++;
        }

        @Override
        public void onRequest(final FaultTolerantClient client, final RequestData request, final int count) {
            requestCount++;
            requestUrl = request.getUrl();
            requestMethod = request.getMethod().toString();
        }

        writeSynResetLater(streamId, ErrorCode.PROTOCOL_ERROR)
        return
      }
      currentPushRequests.add(streamId)
    }
    pushQueue.execute("$connectionName[$streamId] onRequest") {
      val cancel = pushObserver.onRequest(streamId, requestHeaders)
      ignoreIoExceptions {
        if (cancel) {
          writer.rstStream(streamId, ErrorCode.CANCEL)
          this.withLock {

    val request = Request(server1.url("/"))

    server1.enqueue(MockResponse(200))
    server2.enqueue(MockResponse(200))
    server2.enqueue(MockResponse(200))

    println("\n\nRequest to ${server1.inetSocketAddress}")
    executeSynchronously(request)
      .assertSuccessful()
      .assertCode(200)

    println("server1.requestCount ${server1.requestCount}")

func (m *muxClient) roundtrip(h HandlerID, req []byte) ([]byte, error) {
	if m.init {
		return nil, errors.New("mux client already used")
	}
	m.init = true
	m.singleResp = true
	msg := message{
		Op:         OpRequest,
		MuxID:      m.MuxID,
		Handler:    h,
		Flags:      m.BaseFlags | FlagEOF,
		Payload:    req,
		DeadlineMS: uint32(m.deadline.Milliseconds()),
	}
	if m.subroute != nil {
		msg.Flags |= FlagSubroute
	}

		c.handleDisconnectServerMux(m)
	case OpDisconnectClientMux:
		c.handleDisconnectClientMux(m)
	case OpPing:
		c.handlePing(ctx, m)
	case OpPong:
		c.handlePong(ctx, m)
	case OpRequest:
		c.handleRequest(ctx, m, subID)
	case OpAckMux:
		c.handleAckMux(ctx, m)
	case OpConnectMux:
		c.handleConnectMux(ctx, m, subID)
	case OpMuxConnectError:
		c.handleConnectMuxError(ctx, m)