public void Update()
{
Country countryTest = new Country("Israel");
countryDAO.Add(countryTest);
countryTest = countryDAO.GetCountryByName("Israel");
countryTest.CountryName = "India";
countryDAO.Update(countryTest);
Assert.AreEqual(countryTest.ID, countryDAO.GetCountryByName("India").ID);
Assert.AreEqual("India", countryDAO.Get(countryTest.ID).CountryName);
}