fix for material testing on nightlys
fix for material testing on nightlys

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