public void Calculate_MaxNIsNotSupported_ThrowsException()
        {
            //Arrange
            var fibonacciCalculator = new api.Services.FibonacciCalculator();

            //Act
            var result = fibonacciCalculator.Calculate(11); //Test with number > MaxN(10)

            //Assert
            Assert.IsTrue(result.Equals("n > 10 is not supported"));
        }
        public void Calculate_FactorialForNumber10_Returns55()
        {
            //Arrange
            var fibonacciCalculator = new api.Services.FibonacciCalculator();

            //Act
            var result = fibonacciCalculator.Calculate(10); //Test with number <= MaxN(10)

            //Assert
            Assert.IsTrue(result.Equals(55));
        }