}

  /** Test which headers are sent unencrypted to the HTTP proxy.  */
  @Test
  fun proxyConnectOmitsApplicationHeaders() {
    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(
      MockResponse
        .Builder()
        .inTunnel()
        .build(),
    )
    server.enqueue(
      MockResponse(body = "encrypted response from the origin server"),
    )

      MockResponse
        .Builder()
        .inTunnel()
        .build(),
    )
    server.enqueue(MockResponse(body = "encrypted response from the origin server"))
    client =
      client
        .newBuilder()
        .proxy(server.proxyAddress)
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,