public void Tracker_IsScalene_True()
        {
            TriangleTracker triangleTrackerTests = new TriangleTracker();

            Assert.AreEqual(true, triangleTrackerTests.IsTri(3, 4, 5));
        }
        public void Tracker_IsEqualateralTriangle_True()
        {
            TriangleTracker triangleTrackerTests = new TriangleTracker();

            Assert.AreEqual(true, triangleTrackerTests.IsTri(3, 3, 3));
        }
        public void Tracker_IsIsoscelesTriangle_True()
        {
            TriangleTracker triangleTrackerTests = new TriangleTracker();

            Assert.AreEqual(true, triangleTrackerTests.IsTri(4, 4, 3));
        }
        public void Tracker_IsTriangle_False()
        {
            TriangleTracker triangleTrackerTests = new TriangleTracker();

            Assert.AreEqual(false, triangleTrackerTests.IsTri(9, 2, 2));
        }