public void TimeToPayOff_ReturnsCorrectView()
{
//Arrange
CalculatorsController controller = new CalculatorsController();
//Act
// CompoundInterest() returns ActionResult
// Cast ActionResult to ViewResult
ViewResult result = controller.TimeToPayOff() as ViewResult;
//Assert
Assert.IsNotNull(result);
Assert.AreEqual("TimeToPayOff", result.ViewName);
}
