public void AddRandomNumber()
{
var lotteryNumbers = new List <int>();
var lottery = new Lottery();
var expectedEmpty = new List <int>();
var actual = lottery.GetLotteryNumbers();
CollectionAssert.AreEqual(expectedEmpty, actual);
lottery.DrawNumber(5);
var expected5 = new List <int>()
{
5
};
actual = lottery.GetLotteryNumbers();
CollectionAssert.AreEqual(expected5, actual);
lottery.DrawNumber(1);
var expected15 = new List <int>()
{
1, 5
};
actual = lottery.GetLotteryNumbers();
CollectionAssert.AreEqual(expected15, actual);
lottery.DrawNumber(33);
var expected1533 = new List <int>()
{
1, 5, 33
};
actual = lottery.GetLotteryNumbers();
CollectionAssert.AreEqual(expected1533, actual);
}