public void ReturnFibonacciNumbersTest()
{
var input = 6;
var fibonacciNumber = FibonacciNumbers.ReturnFibonacciNumbers(input);
var actual = new List <int>(fibonacciNumber);
var expected = new List <int> {
0, 1, 1, 2, 3, 5
};
CollectionAssert.AreEqual(expected, actual, "{0} != {1}", expected, actual);
}