public void TestOneLeftRotation(string input, string expected)
        {
            string result = StringRotater.DoLeftRotation(input);

            Assert.That(result, Is.EqualTo(expected));
        }
        public void TestRightRotation_False(string input, string expected)
        {
            var result = StringRotater.IsRightRotated(input, expected);

            Assert.That(result, Is.False);
        }