public void deletePhysicalInterfaceFromDatabase()
        {
            PhysicalInterfaceDataAccess dataAccess = new PhysicalInterfaceDataAccess();
            PhysicalInterface physicalInterface = dataAccess.GetLastEntity<PhysicalInterface>();

            dataAccess.Delete(physicalInterface.Id);

            Assert.IsTrue(dataAccess.GetLastEntity<PhysicalInterface>() == null || physicalInterface.Id == dataAccess.GetLastEntity<PhysicalInterface>().Id);
        }