public void C_Update()
        {
            a = new Project.Data.Repository(db);
            int pl = 0;

            foreach (var i in a.GetPlayLists())
            {
                pl = i.Id;
            }
            unitTest       = a.GetPlayListById(pl);
            unitTest.Title = "newtitle";
            a.UpdatePlayList(unitTest);
            unitTest = a.GetPlayListById(pl);
            Assert.AreEqual(unitTest.Title, "newtitle");
        }
        public void B_Read_2()
        {
            a = new Project.Data.Repository(db);
            int pl = 0;

            foreach (var i in a.GetPlayLists())
            {
                pl = i.Id;
            }
            unitTest = a.GetPlayListById(pl);
            Assert.AreEqual(unitTest.Id, pl);
        }