Adding test to verify computes returning null are working with each. Closes #743
Adding test to verify computes returning null are working with each. Closes #743

Psykoral/canjs,dispatchrabbi/canjs,patrick-steele-idem/canjs,whitecolor/canjs,rjgotten/canjs,shiftplanning/canjs,whitecolor/canjs,UXsree/canjs,ackl/canjs,ackl/canjs,Psykoral/canjs,dispatchrabbi/canjs,Psykoral/canjs,thomblake/canjs,gsmeets/canjs,rasjani/canjs,patrick-steele-idem/canjs,beno/canjs,bitovi/canjs,patrick-steele-idem/canjs,gsmeets/canjs,bitovi/canjs,shiftplanning/canjs,beno/canjs,gsmeets/canjs,rjgotten/canjs,asavoy/canjs,UXsree/canjs,thomblake/canjs,tracer99/canjs,ackl/canjs,tracer99/canjs,beno/canjs,bitovi/canjs,rjgotten/canjs,rasjani/canjs,rasjani/canjs,rjgotten/canjs,bitovi/canjs,Psykoral/canjs,whitecolor/canjs,rasjani/canjs,asavoy/canjs,tracer99/canjs