[TestCase(15, 17, 20)] //scalene
        public void Is_Not_Equilateral_Triangle(int o, int p, int q)
        {
            string isNotEquilateralTriangle = FindTriangle.EquilateralTriangle(o, p, q);

            Assert.AreEqual("It is not an equilateral triangle", isNotEquilateralTriangle);
            Console.WriteLine(isNotEquilateralTriangle);
        }
        [TestCase(15, 25, 15)] //isosceles
        public void Is_Not_Scalene_Triangle(int l, int m, int n)
        {
            string isNotScaleneTriangle = FindTriangle.ScaleneTriangle(l, m, n);

            Assert.AreEqual("It is not a Scalene triangle", isNotScaleneTriangle);
            Console.WriteLine(isNotScaleneTriangle);
        }
        public void Is_Not_Triangle(int x, int y, int z)
        {
            string isNotTriangle = FindTriangle.TriangleType(x, y, z);

            Assert.AreEqual("It is not a triangle", isNotTriangle);
            Console.WriteLine(isNotTriangle);
        }
        public void Is_Not_Isosceles_Triangle(int a, int b, int c)
        {
            string isNotIsoscelestriangle = FindTriangle.IsoscelesTriangle(a, b, c);

            Assert.AreEqual("It is not an Isosceles triangle", isNotIsoscelestriangle);
            Console.WriteLine(isNotIsoscelestriangle);
        }
        public void Is_Triangle(int a, int b, int c)
        {
            string isTriangle = FindTriangle.TriangleType(a, b, c);

            Assert.AreEqual("It is a triangle", isTriangle);
            Console.WriteLine(isTriangle);
        }