// Test deadlineconn handles read timeout properly by reading two messages beyond deadline.
func TestBuffConnReadTimeout(t *testing.T) {
	l, err := net.Listen("tcp", "localhost:0")
	if err != nil {
		t.Fatalf("unable to create listener. %v", err)
	}
	defer l.Close()
	serverAddr := l.Addr().String()

	tcpListener, ok := l.(*net.TCPListener)
	if !ok {
		t.Fatalf("failed to assert to net.TCPListener")
	}

	var wg sync.WaitGroup