*
   * This test uses proxy tunnels to get a hook while a connection is being established.
   */
  @Test
  fun concurrentHttp2ConnectionsDeduplicated() {
    assumeTrue(protocol === Protocol.HTTP_2)
    server.useHttps(handshakeCertificates.sslSocketFactory())
    val queueDispatcher = QueueDispatcher()
    queueDispatcher.enqueue(