fun multipleDnsLookupsForSingleCall() {
    server.enqueue(
      MockResponse
        .Builder()
        .code(301)
        .setHeader("Location", "http://www.fakeurl:" + server.port)
        .build(),
    )
    server.enqueue(MockResponse())
    val dns = FakeDns()
    dns["fakeurl"] = client.dns.lookup(server.hostName)
    dns["www.fakeurl"] = client.dns.lookup(server.hostName)
    client =
      client

    assertThat(webSocket.receivedPongCount()).isEqualTo(0)
    assertThat(server.sentPingCount()).isEqualTo(0)
    assertThat(server.receivedPingCount()).isEqualTo(0)
    assertThat(server.receivedPongCount()).isEqualTo(0)
    closeWebSockets(webSocket, server)
  }

  /**
   * Configure the websocket to send pings every 500 ms. Artificially prevent the server from

  }

  private fun trailers(protocol: Protocol) {
    enableProtocol(protocol)

    server.enqueue(
      MockResponse
        .Builder()
        .addHeader("h1", "v1")
        .trailers(headersOf("t1", "v2"))
        .body(protocol, "Hello")
        .build(),
    )

    val call = client.newCall(Request(server.url("/")))
    call.execute().use { response ->
      val source = response.body.source()

### Server Binaries

filename | sha512 hash
-------- | -----------
[kubernetes-server-linux-amd64.tar.gz](https://dl.k8s.io/v1.18.20/kubernetes-server-linux-amd64.tar.gz) | 60ee0761646af9f6d9a74c228509c43b18577be7b3b03e72d58ef2ae4078f7bdd1b39375a6e93e3ed8417fa6c2f63b42d74eeaf65588553357585166eaf9e0a6

  @StartStop
  private val server = MockWebServer()

  private val socksProxy = SocksProxy()

  @BeforeEach
  fun setUp() {
    socksProxy.play()
  }

  @AfterEach
  fun tearDown() {
    socksProxy.shutdown()
  }

  @Test
  fun proxy() {
    server.enqueue(MockResponse.Builder().body("abc").build())
    server.enqueue(MockResponse.Builder().body("def").build())
    val client =

[kubernetes-server-linux-arm64.tar.gz](https://dl.k8s.io/v1.12.0-rc.2/kubernetes-server-linux-arm64.tar.gz) | `171f15aa8b7c365f4fee70ce025c882a921d0075bd726a99b5534cadd09273ef`
[kubernetes-server-linux-ppc64le.tar.gz](https://dl.k8s.io/v1.12.0-rc.2/kubernetes-server-linux-ppc64le.tar.gz) | `abc2003d58bd1aca517415c582ed1e8bb1ed596bf04197f4fc7c0c51865a9f86`

    assertConnectionNotReused(requestA, requestB)
  }

  @Test
  fun connectionsAreNotReusedWithResponseConnectionClose() {
    server.enqueue(
      MockResponse(
        headers = headersOf("Connection", "close"),
        body = "a",
      ),
    )
    server.enqueue(MockResponse(body = "b"))
    val requestA = Request(server.url("/"))
    val requestB = Request(server.url("/"))

[kubernetes-server-linux-arm.tar.gz](https://storage.googleapis.com/kubernetes-release/release/v1.3.10/kubernetes-server-linux-arm.tar.gz) | `40ac46a265021615637f07d532cd563b4256dcf340a27c594bfd3501fe66b84c`

        .signedBy(rootCa)
        .serialNumber(2L)
        .commonName(server.hostName)
        .addSubjectAlternativeName(server.hostName)
        .addSubjectAlternativeName("san.com")
        .addSubjectAlternativeName("*.wildcard.com")
        .addSubjectAlternativeName("differentdns.com")
        .build()
    serverIps = Dns.SYSTEM.lookup(server.hostName)
    dns[server.hostName] = serverIps
    dns["san.com"] = serverIps

  private val nullHostnameVerifier = HostnameVerifier { _: String?, _: SSLSession? -> true }
  private val cookieManager = CookieManager()

  @StartStop
  private val server = MockWebServer()

  @BeforeEach
  fun setUp() {
    platform.assumeNotOpenJSSE()
    server.protocolNegotiationEnabled = false
    val loggingFileSystem = LoggingFilesystem(fileSystem)
    cache = buildCache("/cache/".toPath(), Int.MAX_VALUE.toLong(), loggingFileSystem)