public void ConsultarEmissaoDeNotaFiscal()
{
NotaFiscalService service = new NotaFiscalService();
List <NotaFiscal> listaNotas = service.ConsultarNotaFiscalPorCliente("Cliente 1");
if (!listaNotas.Any())
{
throw new ArgumentException("Nenhuma Proposta encontrada.");
}
}