public void ChangeTest1()
{
//arrange
CashRegister getChange = new CashRegister();
decimal MoneyInputed = 3.60M;
string expected = $"number of quarters: 14 number of dimes: 1";
//act
string actual = "";
actual = getChange.Change(MoneyInputed);
//assert
Assert.AreEqual(expected, actual, "wrong.");
}