val endpointUrl = server.url("/endpoint")

    var request =
      Request.Builder()
        .url(endpointUrl)
        .header("Content-Type", "application/xml")
        .put(ValidRequestBody())
        .build()
    client.newCall(request).execute().use {
      assertEquals(201, it.code)
    }

    request =
      Request.Builder()
        .url(endpointUrl)
        .head()