private val handshakeCertificates = platform.localhostHandshakeCertificates()
  private var client =
    clientTestRule.newClientBuilder()
      .eventListenerFactory(clientTestRule.wrap(listener))
      .build()
  private var socksProxy: SocksProxy? = null
  private var cache: Cache? = null

  @BeforeEach
  fun setUp(server: MockWebServer) {
    this.server = server