GzipSource(requestBodyBytes).use {
        it.buffer().readUtf8()
      }
    assertThat(decompressedRequestBody).isEqualTo("This is the original message")
  }

  @Test
  fun cannotGzipWithoutABody() {
    assertFailsWith<IllegalStateException> {
      Request
        .Builder()
        .url("https://square.com/")
        .gzip()
        .build()
    }.also {