public void UpdatePositionWorks()
{
var positionList = new PositionListDataHolder(new PositionRepositoryStub());
positionList.LoadPositionList();
var position = new DTO.Position(1, "3", "3");
positionList.UpdatePosition(position);
Assert.AreEqual("3", positionList.Positions[0].Name);
Assert.AreEqual("3", positionList.Positions[0].Category);
}