public void CreateStepErrorDuplicatedStepTest() { FlowStepDTO mecanica = new FlowStepDTO("Mecanica ligera"); var mockFlowDAO = new Mock <FlowDAO>(); mockFlowDAO.Setup(f => f.IsStepAvailable(mecanica)).Returns(false); mockFlowDAO.Setup(f => f.CreateStep(mecanica)).Verifiable(); FlowService flowService = new FlowServiceImp(mockFlowDAO.Object); flowService.CreateStep(mecanica); }