fixing tests so they run with RAils 2.1 installed (using 2.0.2)
fixing tests so they run with RAils 2.1 installed (using 2.0.2)

bjackson/nifty-generators,drhenner/backops-generators,ryanb/nifty-generators,brandonjmckay/nifty-generators,openeducation/nifty-generators