public void OutingsRepository_AddToCostList_ShouldIncreaseCountByOne()
{
Outings royalPin = new Outings(EventType.Bowling, 15, "6/23/2018", 23.00m, 345.0m);
_totalCostList.AddToCostList(royalPin.TotalEventCost);
var actual = _totalCostList.GetDecimalList().Count;
var expected = 1;
Assert.AreEqual(expected, actual);
}