public void deleteGraphicCardFromDatabase()
        {
            GraphicCardDataAccess dataAccess = new GraphicCardDataAccess();
            GraphicCard graphicCard = dataAccess.GetLastEntity<GraphicCard>();

            dataAccess.Delete(graphicCard.Id);

            Assert.IsTrue(dataAccess.GetLastEntity<GraphicCard>() == null || graphicCard.Id == dataAccess.GetLastEntity<GraphicCard>().Id);
        }
        public void getGraphicCardFromDatabase()
        {
            GraphicCardDataAccess dataAccess = new GraphicCardDataAccess();
            ProducerDataAccess producerDataAccess = new ProducerDataAccess();
            PhysicalInterfaceDataAccess physicalInterfaceDataAccess = new PhysicalInterfaceDataAccess();
            GraphicCard graphicCard = new GraphicCard();

            graphicCard.Description = "Dies ist ein Test";
            graphicCard.ClockRate = 5;
            graphicCard.Model = "GTX1234";
            graphicCard.Memory = 2000;
            graphicCard.Producer = producerDataAccess.GetLastEntity<Producer>();
            graphicCard.AddPhysicalInterface(new PhysicalInterfaceWithCount(physicalInterfaceDataAccess.GetLastEntity<PhysicalInterface>(), 3));

            dataAccess.Save(graphicCard);
            GraphicCard dbGraphicCard = dataAccess.GetLastEntity<GraphicCard>();

            Assert.AreEqual(graphicCard.Description, dbGraphicCard.Description);
        }