public void RotatedStringTest()
        {
            string s  = "stte";
            string s2 = "test";

            bool boolResult =
                StringRotationChecker.IsRotation(s, s2);

            Assert.IsTrue(boolResult);
        }
        public void SameStringHasSameRotaionTest()
        {
            string s  = "test";
            string s2 = "test";

            bool boolResult =
                StringRotationChecker.IsRotation(s, s2);

            Assert.IsTrue(boolResult);
        }