added define guards to the commodity test helper class
added define guards to the commodity test helper class

rwcarlsen/cyclus,hodger/cyclus,rwcarlsen/cyclus,gidden/cyclus,mbmcgarry/cyclus,hodger/cyclus,mbmcgarry/cyclus,rwcarlsen/cyclus,hodger/cyclus,Baaaaam/cyclus,gidden/cyclus,hodger/cyclus,hodger/cyclus,rwcarlsen/cyclus,mbmcgarry/cyclus,Baaaaam/cyclus,gidden/cyclus,mbmcgarry/cyclus,gidden/cyclus,Baaaaam/cyclus