function getDataTestId(dataTestId: string, element: string): string; function getDataTestId(dataTestId?: string, element?: string): string | undefined; function getDataTestId(dataTestId?: string, element?: string) { const elementPart = element ? `-${element.toLowerCase()}` : ''; return dataTestId ? `${dataTestId}${elementPart}` : undefined; } export { getDataTestId };