private static void AssertShouldBe(int[] queue, int tills, int expect)
{
//act
int actual = new CheckoutTills().CaculateRequestTime(queue, tills);
//assert
Assert.AreEqual(expect, actual);
}
public void InputQueueIs_1_2_3_4_andOneTill()
{
//arrange
var queue = new[] { 1, 2, 3, 4 };
var tills = 1;
var expect = 10;
//act
int actual = new CheckoutTills().CaculateRequestTime(queue, tills);
//assert
Assert.AreEqual(expect, actual);
}