public void DeletePositionDecreasesPositionList()
        {
            var positionList = new PositionListDataHolder(new PositionRepositoryStub());

            positionList.LoadPositionList();
            var position = new DTO.Position(1, "1", "1");

            positionList.DeletePosition(position);
            Assert.AreEqual(1, positionList.Positions.Count);
        }