object : DelegatingServerSocketFactory(getDefault()) {
        @Throws(SocketException::class)
        override fun configureServerSocket(serverSocket: ServerSocket): ServerSocket {
          serverSocket.setReceiveBufferSize(SOCKET_BUFFER_SIZE)
          return serverSocket
        }
      }
    client =
      clientTestRule.newClientBuilder()
        .socketFactory(
          object : DelegatingSocketFactory(getDefault()) {

  }

  @Throws(SocketException::class)
  override fun setSendBufferSize(size: Int) {
    delegate!!.sendBufferSize = size
  }

  @Throws(SocketException::class)
  override fun setReceiveBufferSize(size: Int) {
    delegate!!.receiveBufferSize = size
  }

  @Throws(SocketException::class)
  override fun setSoLinger(
    on: Boolean,
    timeout: Int,
  ) {