public void ShouldReturnCorrectAmountOfChange()
{
// arrange
var expected = new int[] { 25 };
var purchaseAmount = new Money(1.25m);
var tenderAmount = new Money(1.50m);
// act
var change = vendingMachine.CalculateChange(purchaseAmount, tenderAmount);
// assert
expected.Should().BeEquivalentTo(change);
}
