public void IsPowerOfTwo_1()
        {
            var solution = new _0231_PowerOfTwo();
            var result   = solution.IsPowerOfTwo(1);

            Assert.IsTrue(result);
        }
        public void IsPowerOfTwo_3()
        {
            var solution = new _0231_PowerOfTwo();
            var result   = solution.IsPowerOfTwo(218);

            Assert.IsFalse(result);
        }