public void ParseMowerCommand_WhenPassingNotAValidCommand_MustThrowException()
        {
            char       ch         = 'C';
            MowerInput mowerInput = new MowerInput();

            MowerInput.ParseMowerCommand(ch);
        }
        public void ParseMowerCommand_WhenPassingValidCommand()
        {
            char         ch         = 'M';
            MowerInput   mowerInput = new MowerInput();
            MowerCommand command    = MowerInput.ParseMowerCommand(ch);

            Assert.AreEqual(MowerCommand.Move, command);
        }