fix tests for mongo
fix tests for mongo

rdnetto/persistent,mkscrg/persistent,jcristovao/persistent,mkscrg/persistent,rdnetto/persistent,mitchellwrosen/persistent,gbwey/persistent,superduper/persistent,paul-rouse/persistent,junjihashimoto/persistent,nakaji-dayo/persistent,jasonzoladz/persistent,meteficha/persistent,pseudonom/persistent,superduper/persistent,bitemyapp/persistent,creichert/persistent,psibi/persistent,plow-technologies/persistent,jasonzoladz/persistent,jcristovao/persistent,meteficha/persistent,greydot/persistent,nakaji-dayo/persistent,mitchellwrosen/persistent,andrewthad/persistent,gbwey/persistentold,mkscrg/persistent,superduper/persistent,nakaji-dayo/persistent,meteficha/persistent,mitchellwrosen/persistent,erikd/persistent,andrewthad/persistent,greydot/persistent,yesodweb/persistent,pseudonom/persistent,junjihashimoto/persistent,gbwey/persistent,gbwey/persistentold,gbwey/persistent,naushadh/persistent,jcristovao/persistent,greydot/persistent,andrewthad/persistent,jasonzoladz/persistent