public void Calculate_DoubleCoffe_ReturnCoffeCount()
        {
            var service = new MorningService();
            var array   = new string[] { "1", "3", "2", "3" };

            var output = service.CalculateOrder(array);

            Assert.Equal("eggs, toast, coffee(x2)", output);
        }
        public void Calculate_DuplicatedValues_ReturnDistinct()
        {
            var service = new MorningService();
            var array   = new string[] { "1", "1", "2", "3" };

            var output = service.CalculateOrder(array);

            Assert.Equal("eggs, toast, coffee", output);
        }