public static final String LABELS_facet_contentLength_250kto500k = "{labels.facet_contentLength_250kto500k}";

    /** The key of the message: 1MB - 5MB */
    public static final String LABELS_facet_contentLength_1mto5m = "{labels.facet_contentLength_1mto5m}";

    /** The key of the message: 5MB -   */
    public static final String LABELS_facet_contentLength_5m = "{labels.facet_contentLength_5m}";

	c.Assert(err, nil)

	// execute the HTTP request to create bucket.
	response, err := s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, 200)

	// Create a byte array of 5MB.
	// content for the object to be uploaded.
	data := bytes.Repeat([]byte("0123456789abcdef"), 5*humanize.MiByte/16)
	// calculate etag of the data.
	etagBase64 := getMD5HashBase64(data)