corrected test for MongoDB 2.X
corrected test for MongoDB 2.X

Catstyle/mongoengine,touilleMan/mongoengine,MakerReduxCorp/mongoengine,eli-b/mongoengine,Davidrjx/mongoengine,reallistic/mongoengine,WingGao/mongoengine,ConsumerPhysics/mongoengine,nicolascine/mongoengine,ProgressivePlanning/mongoengine,gmacon/mongoengine,iandd0824/mongoengine,starsirius/mongoengine,blaggacao/mongoengine,sourcelair/mongoengine,9nix00/mongoengine,khallaghi/mongoengine,MakerReduxCorp/mongoengine,cogniteev/mongoengine,Davidrjx/mongoengine,muhammad-ammar/mongoengine,RussellLuo/mongoengine,prijindal/mongoengine,losintikfos/mongoengine,jimmyshen/mongoengine,gavincabbage/mongoengine,nathanial/mongoengine,yarneo/mongoengine,larsbutler/mongoengine,MRigal/mongoengine,MongoEngine/mongoengine,cogniteev/mongoengine,DavidBord/mongoengine,ms5/mongoengine