public void TestCalBank(int amount, int thousand, int fiveHundred, int hundred, int fifty, int twenty, int five, int one)
        {
            var sut      = new ChangeCalculator();
            var result   = sut.CalBanks(amount);
            var expected = new[]
            {
                thousand,
                fiveHundred,
                hundred,
                fifty,
                twenty,
                five,
                one
            };

            Assert.Equal(expected, result);
        }