public void GivenInstructionTurnOff0x0Through999x999_WhenCreatingTurnOffInstruction_ThenReturn0x0x999x999()
        {
            var everything = new TurnOffInstruction("turn off 0,0 through 999,999");

            Assert.Equal(everything.X1, 0);
            Assert.Equal(everything.Y1, 0);
            Assert.Equal(everything.X2, 999);
            Assert.Equal(everything.Y2, 999);
        }
        public void Given_WhenGetInstructionKeyWord_ThenReturnTurnOff()
        {
            var result = TurnOffInstruction.GetInstructionKeyWord();

            Assert.Equal(result, "turn off");
        }