public void DeleteParameterById_ShouldReturn_Success() { // Arrange fakeParametersRepository.Setup(a => a.DeleteById(1)); parametersService = new ParametersService(fakeParametersRepository.Object, new Mock <ICommonRepository>().Object); try { // Act parametersService.DeleteParameterById(1); operationSucceeded = true; } catch (Exception ex) { errorMessage = ex.Message + " | " + ex.StackTrace; } // Assert Assert.IsTrue(operationSucceeded, errorMessage); }