body.close()
  }

  @Test
  fun unicodeText() {
    val text = "eile oli oliiviõli"
    val body = text.toResponseBody()
    assertThat(body.string()).isEqualTo(text)
  }

  @Test
  fun unicodeTextWithCharset() {
    val text = "eile oli oliiviõli"
    val body = text.toResponseBody("text/plain; charset=UTF-8".toMediaType())
    assertThat(body.string()).isEqualTo(text)
  }

  @Test
  fun unicodeByteString() {