public void Square_10_100returned()
        {
            double x        = 10;
            double expected = 100;

            Figura figura = new Quadrate(x);
            double actual = figura.Square();

            Assert.AreEqual(expected, actual);
        }
        public void Testing_Square_Quadrate()
        {
            Quadrate quadrate = new Quadrate(3)
            {
                TypeMaterial = "Plastic"
            };
            var expected = 9;

            var actual = quadrate.Square();

            Assert.AreEqual(expected, actual);
        }