}

    fun assumeAndroid() {
      assumeTrue(Platform.isAndroid)
    }

    fun assumeGraalVMImage() {
      assumeTrue(isGraalVMImage())
    }

    fun assumeNotConscrypt() {
      assumeTrue(getPlatformSystemProperty() != CONSCRYPT_PROPERTY)
    }

    fun assumeNotJdk9() {
      assumeTrue(getPlatformSystemProperty() != JDK9_PROPERTY)
    }

  }

  @AfterEach fun tearDown() {
    executorService.shutdown()
    serverSocket?.closeQuietly()
  }

  @Test fun clientAndServer() {
    platform.assumeNotConscrypt()
    platform.assumeNotBouncyCastle()

    val clientRoot =
      HeldCertificate
        .Builder()
        .certificateAuthority(1)
        .build()
    val clientIntermediate =
      HeldCertificate

        ).build()
    executeSynchronously("/").assertBody("abc")
  }

  @Test
  fun recoverFromTlsHandshakeFailure_tlsFallbackScsvEnabled() {
    platform.assumeNotConscrypt()
    val tlsFallbackScsv = "TLS_FALLBACK_SCSV"
    val supportedCiphers = listOf(*handshakeCertificates.sslSocketFactory().supportedCipherSuites)
    if (!supportedCiphers.contains(tlsFallbackScsv)) {