public void Tracker_IsANumber_True()
{
TriangleTracker triangleTrackerTests = new TriangleTracker();
Assert.AreEqual(true, triangleTrackerTests.SideCheck("5"));
}
public void Tracker_IsANumber_False()
{
TriangleTracker triangleTrackerTests = new TriangleTracker();
Assert.AreEqual(false, triangleTrackerTests.SideCheck("w"));
}