private var client: OkHttpClient =
    OkHttpClient
      .Builder()
      .sslSocketFactory(
        handshakeCertificates.sslSocketFactory(),
        handshakeCertificates.trustManager,
      ).connectionPool(ConnectionPool(0, 1, TimeUnit.SECONDS))
      .build()

  private val server =
    MockWebServer()

  @Test
  fun testHttpsRequest() {

                if ("all".equals(trustManager)) {
                    ftpsClient.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
                } else if ("valid".equals(trustManager)) {
                    ftpsClient.setTrustManager(TrustManagerUtils.getValidateServerCertificateTrustManager());
                } else if ("none".equals(trustManager)) {
                    ftpsClient.setTrustManager(null);

    client =
      client
        .newBuilder()
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        ).build()
    server.useHttps(handshakeCertificates.sslSocketFactory())
  }

  private fun Call.cancelLater(delay: Duration) {
    thread(name = "canceler") {
      sleep(delay.inWholeMilliseconds)

          },
        ).addNetworkInterceptor(networkInterceptor)
        .addInterceptor(applicationInterceptor)
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        ).hostnameVerifier(hostnameVerifier)
        .build()
    host = "${server.hostName}:${server.port}"
    url = server.url("/")
  }

  @Test
  fun levelGetter() {
    // The default is NONE.