public void Test1()
{
var snackMachine = new SnackMachine();
snackMachine.LoadSnacks(1, new Snack("Some snack"), 10, 1m);
snackMachine.InsertMoney(Money.Dollar);
snackMachine.BuySnack(1);
snackMachine.MoneyInTransaction.Should().Be(Money.None);
snackMachine.MoneyInside.Amount.Should().Be(1m);
snackMachine.GetQuantityOfSnacksInSlot(1).Should().Be(9);
snackMachine.GetSnackInSlot(1).Should().Be(new Snack("Some snack"));
snackMachine.GetPriceInSlot(1).Should().Be(1m);
}