private void SetupCreatePositionSuccess()
        {
            _validPosition = new Position
                                 {
                                     Name = "TestPosition",
                                     SystemRole = SystemRole.Member,
                                 };

            _validPosition.AddInvalidValues(new NHibernate.Validator.Engine.InvalidValue[0]);

            MockBaseRepository.Setup(x => x.SaveOrUpdate(_validPosition, null)).Returns(_validPosition);
            MockBaseRepository.Setup(x => x.List<Position>(DetachedCriteria.For<Position>())).Returns(new List<Position>());
            _positionService = new PositionService(MockBaseRepository.Object);
        }