public void Add7WithSingleDelimiterInBracketsTestMethod()
        {
            const string numbers  = "//[;]\n3;9;4;1500;1000;89;23;12;0";
            const int    expected = 1140;

            int actual = StringCalculator.Add7(numbers);

            Assert.AreEqual(expected, actual);
        }
        public void Add7WithLongDelimiterTestMethod()
        {
            const string numbers  = "//[;;;]\n3;;;9;;;4;;;1500;;;1000;;;89;;;23;;;12;;;0";
            const int    expected = 1140;

            int actual = StringCalculator.Add7(numbers);

            Assert.AreEqual(expected, actual);
        }