.build(),
      )
    val response1 = call1.execute()
    assertThat(response1.body.string()).isEqualTo("abc")
  }

  private fun newServerSocketFactory(
    heldCertificate: HeldCertificate,
    vararg intermediates: X509Certificate,
  ): SSLSocketFactory {
    // Test setup fails on JDK9
    // java.security.KeyStoreException: Certificate chain is not valid
    // at sun.security.pkcs12.PKCS12KeyStore.setKeyEntry