server.enqueue(MockResponse().setBody("response"))
    val url = server.url("/").toUrl()
    val connection = url.openConnection() as HttpURLConnection
    connection.setDoOutput(true)
    connection.setRequestProperty("Expect", "100-Continue")
    connection.outputStream.write("request".toByteArray(StandardCharsets.UTF_8))
    val inputStream = connection.inputStream

        .body("response")
        .build(),
    )
    val url = server.url("/").toUrl()
    val connection = url.openConnection() as HttpURLConnection
    connection.doOutput = true
    connection.setRequestProperty("Expect", "100-Continue")
    connection.outputStream.write("request".toByteArray(UTF_8))
    val inputStream = connection.inputStream
    val reader = BufferedReader(InputStreamReader(inputStream, UTF_8))