public void CheckIfState4ReturnsState9WhenC3Char()
        {
            // arrange
            var fsm = new Fsm(true);

            // act
            var res = fsm.CheckIfState4(C3Char);

            // assert
            Console.Out.WriteLine((res == 9) + " -> result of CheckIfState4ReturnsState9WhenC3Char");
        }
        public void CheckIfState4ReturnsBadStateWhenBadChar()
        {
            // arrange
            var fsm = new Fsm(true);

            // act
            var res = fsm.CheckIfState4('w');

            // assert
            Console.Out.WriteLine((res == -1) + " -> result of CheckIfState4ReturnsBadStateWhenBadChar");
        }