public CalculosBllTests()
        {
            var calculosDalMock = new Mock <ICalculosDal>();

            calculosDalMock
            .Setup(x => x.ObterTaxaJuros())
            .ReturnsAsync(0.01);

            _calculosBll = new CalculosBll(calculosDalMock.Object);
        }
 public CalculosController(ICalculosBll calculosBll)
 {
     _calculosBll = calculosBll;
 }