val buffer = Buffer()
    body.writeTo(buffer)
    assertThat(body.contentLength()).isEqualTo(buffer.size)
    assertThat(buffer.readUtf8()).isEqualTo(expected)
  }

  @Test
  fun fieldAndTwoFiles() {
    val expected =
      """
      |--AaB03x
      |Content-Disposition: form-data; name="submit-name"
      |
      |Larry
      |--AaB03x
      |Content-Disposition: form-data; name="files"