public void Should_return_stone_when_selected_scissors()
        {
            var result = HandSign.GetWinningMove(HandSignEnum.Scissors);

            Assert.Equal(HandSignEnum.Rock, result);
        }
        public void Should_return_scissors_when_selected_paper()
        {
            var result = HandSign.GetWinningMove(HandSignEnum.Paper);

            Assert.Equal(HandSignEnum.Scissors, result);
        }
        public void Should_return_paper_when_selected_stone()
        {
            var result = HandSign.GetWinningMove(HandSignEnum.Rock);

            Assert.Equal(HandSignEnum.Paper, result);
        }