private var listener = RecordingEventListener()
  private val handshakeCertificates = platform.localhostHandshakeCertificates()
  private var client =
    clientTestRule
      .newClientBuilder()
      .eventListenerFactory(clientTestRule.wrap(listener))
      .build()
  private val callback = RecordingCallback()
  private val cache =
    Cache(
      fileSystem = LoggingFilesystem(fileSystem),

    platform.assumeNotOpenJSSE()
    server.protocolNegotiationEnabled = false
    fileSystem.emulateUnix()
    cache = Cache(fileSystem, "/cache/".toPath(), Long.MAX_VALUE)
    client =
      clientTestRule
        .newClientBuilder()
        .cache(cache)
        .cookieJar(JavaNetCookieJar(cookieManager))
        .build()
  }

  @AfterEach
  fun tearDown() {
    ResponseCache.setDefault(null)
    cache.delete()
  }