assertThat(bodyToHex(body)).isEqualTo("48656c6c6f")
    assertThat(bodyToHex(body), "Retransmit body").isEqualTo("48656c6c6f")
  }

  @Test
  fun file() {
    val file = File.createTempFile("RequestTest", "tmp")
    val writer = FileWriter(file)
    writer.write("abc")
    writer.close()
    val contentType = "text/plain".toMediaType()
    val body: RequestBody = file.asRequestBody(contentType)