public class Kisi
    {
        public int Id { get; set; }
        public string Ad { get; set; }
        public string Soyad { get; set; }
    }
    public class VeritabaniIslem
    {
        private static List<Kisi> Kisiler = new List<Kisi>();
 
        public bool KisiEkle(Kisi kisi)
        {
            try
            {
                Kisiler.Add(kisi);
                return true;
            }
            catch { return false; }
        }
        public bool KisiSil(int id)
        {
            try
            {
                Kisiler.Remove(Kisiler.Where(x => x.Id == id).FirstOrDefault());
                return true;
            }
            catch { return false; }
           
        }
        public List<Kisi> KisileriGetir()
        {
            return Kisiler;
        }
    }
 

        VeritabaniIslem target = new VeritabaniIslem();
 
        [TestMethod()]
        public void KisiEkleTest()
        {
            Kisi kisi = new Kisi
                {
                    Id = 1,
                    Ad = "Veysel Uğur",
                    Soyad = "Kızmaz"
                };
            bool expected = true;
            bool actual;
            actual = target.KisiEkle(kisi);
            Assert.AreEqual(expected, actual);
        }
 
        [TestMethod()]
        public void KisileriGetirTest_0Kayit()
        {
            int expectedCount = 0;
            List<Kisi> actual = target.KisileriGetir();
            Assert.AreEqual(expectedCount, actual.Count);
        }
 
        [TestMethod()]
        public void KisileriGetirTest_1Kayit()
        {
            int expectedCount = 1;
            List<Kisi> actual = target.KisileriGetir();
            Assert.AreEqual(expectedCount, actual.Count);
        }
 
        [TestMethod()]
        public void KisiSilTest()
        {
            int id = 1; //
            bool expected = true;
            bool actual = target.KisiSil(id);
            Assert.AreEqual(expected, actual);
        }