dns["nonsan.com"] = serverIps
    dns["www.wildcard.com"] = serverIps
    dns["differentdns.com"] = listOf()
    val handshakeCertificates =
      HandshakeCertificates.Builder()
        .addTrustedCertificate(rootCa.certificate)
        .build()
    client =
      clientTestRule.newClientBuilder()
        .fastFallback(false) // Avoid data races.
        .dns(dns)
        .sslSocketFactory(

    val heldCertificate = HeldCertificate.Builder().build()
    builder = builder.heldCertificate(heldCertificate, heldCertificate.certificate)
    builder = builder.addTrustedCertificate(heldCertificate.certificate)
    builder = builder.addPlatformTrustedCertificates()
    val handshakeCertificates: HandshakeCertificates = builder.build()
  }

  @Test
  fun heldCertificate() {

      HandshakeCertificates.Builder()
        .heldCertificate(serverCertificate)
        .build()
    val clientCertificates =
      HandshakeCertificates.Builder()
        .addTrustedCertificate(serverCertificate.certificate)
        .build()
    client =
      client.newBuilder()
        .sslSocketFactory(clientCertificates.sslSocketFactory(), clientCertificates.trustManager)
        .build()