// Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK
    peer.sendFrame().ping(false, 2, 3)
    peer.acceptFrame() // PING
    peer.play()

    // Play it back.
    connect(peer)

    // Verify the peer received what was expected.
    val ping = peer.takeFrame()
    assertThat(ping.type).isEqualTo(Http2.TYPE_PING)
    assertThat(ping.streamId).isEqualTo(0)

    to change, and the implementation is incomplete. This is a big new API we
    are eager for feedback.

 *  New: Support ALPN via Google Play Services' Dynamic Security Provider. This
    expands HTTP/2 support to older Android devices that have Google Play
    Services.
 *  New: Consider all routes when looking for candidate coalesced connections.
    This increases the likelihood that HTTP/2 connections will be shared.

    assertThat(connectEnd.protocol).isEqualTo(Protocol.HTTP_1_1)
  }

  @Test
  fun successfulSocksProxyConnect() {
    server.enqueue(MockResponse())
    socksProxy = SocksProxy()
    socksProxy!!.play()
    val proxy = socksProxy!!.proxy()
    client =
      client.newBuilder()
        .proxy(proxy)
        .build()
    val call =
      client.newCall(
        Request.Builder()