public void SetUp() { serviceCollection = new ServiceCollection(); AutoMapperSetup.AddAutoMapperSetup(serviceCollection); InjectionDependencies.RegisterDependencies(serviceCollection); var serviceProvider = serviceCollection.BuildServiceProvider(); var calculoJurosService = serviceProvider.GetService <ICalculoJurosService>(); _calculaJurosController = new CalculaJurosController(calculoJurosService); calculaJurosViewModelMock = Substitute.For <CalculaJurosViewModel>(); calculaJurosViewModelMock.ValorInicial = 100; calculaJurosViewModelMock.TempoEmMeses = 5; calculoJuros = "105,10"; resultadoOkMock = _calculaJurosController.Ok(new { success = true, data = calculoJuros }); resultadoErroMock = new ObjectResult($"Erro ao calcular juros: O tempo em meses não pode ser negativo!"); }