public void countPixlesTest1()
        {
            TwoFactorAuthtication test = new TwoFactorAuthtication();

            //intialzation code
            char[,] screen = test.createBlankScreen(3, 7);

            int ans = test.coutPixles(screen);

            Assert.AreEqual(0, ans);
        }
        public void countPixlesTest2()
        {
            TwoFactorAuthtication test = new TwoFactorAuthtication();

            //intialzation code
            char[,] screen = test.createBlankScreen(3, 7);



            screen = test.rect(screen, 3, 2);

            screen = test.rotateColumn(screen, 1, 1);

            int ans = test.coutPixles(screen);

            Assert.AreEqual(6, ans);
        }