fun invalidHost() {
    val request = Request("http://1234.1.1.1/".toHttpUrl())
    executeSynchronously(request)
      .assertFailure(UnknownHostException::class.java)
  }

  @Test
  fun uploadBodySmallChunkedEncoding() {
    upload(true, 1048576, 256)
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.bodySize).isEqualTo(1048576)
    assertThat(recordedRequest.chunkSizes).isNotNull()
  }