minor updates to FB_13 tests
minor updates to FB_13 tests

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