func getHeadObjectURL(endPoint, bucketName, objectName string) string {
	return makeTestTargetURL(endPoint, bucketName, objectName, url.Values{})
}

// return url to be used while copying the object.
func getCopyObjectURL(endPoint, bucketName, objectName string) string {
	return makeTestTargetURL(endPoint, bucketName, objectName, url.Values{})
}

// return URL for inserting bucket notification.