code: @Test public void test_received_request_event_other_discard() throws RemotingException {
    final Request request=new Request();
    request.setTwoWay(true);
    request.setEvent("my event");
    final Channel mchannel=new MockedChannel(){
      @Override public void send(    Object message) throws RemotingException {
        Assert.fail();
      }
    }
  ;
    HeaderExchangeHandler hexhandler=new HeaderExchangeHandler(new MockedExchangeHandler(){
      @Override public CompletableFuture reply(    ExchangeChannel channel,    Object request) throws RemotingException {
        Assert.fail();
        throw new RemotingException(channel,"");
      }
      @Override public void received(    Channel channel,    Object message) throws RemotingException {
        Assert.fail();
        throw new RemotingException(channel,"");
      }
    }
  );
    hexhandler.received(mchannel,request);
  }
  