val source = response.body.source()
    source.timeout().timeout(1000, TimeUnit.MILLISECONDS)
    assertThat(source.readByte()).isEqualTo('A'.code.toByte())
    assertThat(source.readByte()).isEqualTo('B'.code.toByte())
    assertThat(source.readByte()).isEqualTo('C'.code.toByte())
    assertFailsWith<SocketTimeoutException> {
      source.readByte() // If Content-Length was accurate, this would return -1 immediately.
    }

    val request = Request.Builder().url(server.url("/b")).build()
    val response = client.newCall(request).execute()
    val bodySource = response.body.source()
    assertThat(bodySource.readByte()).isEqualTo('d'.code.toByte())

    // The second byte of this request will be delayed by 750ms so we should time out after 250ms.
    val startNanos = System.nanoTime()
    bodySource.use {
      assertFailsWith<IOException> {

	c.Assert(err, nil)
	// assert the http response status code.
	c.Assert(response.StatusCode, http.StatusOK)

	invalidBucket := "Invalid\\Bucket"
	tooByte := bytes.Repeat([]byte("a"), 1025)
	tooBigPrefix := string(tooByte)
	validEvents := []string{"s3:ObjectCreated:*", "s3:ObjectRemoved:*"}
	invalidEvents := []string{"invalidEvent"}

	req, err = newTestSignedRequest(http.MethodGet,