Added additional instruction for test
Added additional instruction for test

dfcoffin/OpenESPI-GreenButtonCMDTest,RonPasquarelli/OpenESPI-GreenButtonCMDTest,RonPasquarelli/OpenESPI-GreenButtonCMDTest,energyos/OpenESPI-GreenButtonCMDTest,MartyBurns/OpenESPI-GreenButtonCMDTest,MartyBurns/OpenESPI-GreenButtonCMDTest,dfcoffin/OpenESPI-GreenButtonCMDTest,energyos/OpenESPI-GreenButtonCMDTest