public void CostAllEvent_Test()
{
Outing outing = new Outing(Event.Golf, 2, DateTime.Now, 10, 200);
Outing outingTwo = new Outing(Event.Golf, 3, DateTime.Now, 15, 600);
Outing outingThree = new Outing(Event.Concert, 10, DateTime.Now, 20, 2000);
OutingRepo repo = new OutingRepo();
repo.AddOuting(outing);
repo.AddOuting(outingTwo);
repo.AddOuting(outingThree);
decimal amount = repo.CostEvent();
decimal actual = amount;
decimal expected = 2800;
Assert.AreEqual(actual, expected);
}