func getMD5HashBase64(data []byte) string {
	return base64.StdEncoding.EncodeToString(getMD5Sum(data))
}

// Returns new HTTP request object.
func newTestRequest(method, urlStr string, contentLength int64, body io.ReadSeeker) (*http.Request, error) {
	if method == "" {
		method = http.MethodPost
	}

	// Save for subsequent use
	var hashedPayload string