Prevent database_cleaner regression
Prevent database_cleaner regression

Downgrades to 1.3.0. Happens only in mongoid4.

https://travis-ci.org/doorkeeper-gem/doorkeeper/builds/46482195.
https://github.com/DatabaseCleaner/database_cleaner/issues/323

vanboom/doorkeeper,pmdeazeta/doorkeeper,daande/doorkeeper,EasterAndJay/doorkeeper,stefania11/doorkeeper,kolorahl/doorkeeper,GeekOnCoffee/doorkeeper,doorkeeper-gem/doorkeeper,moneytree/doorkeeper,stormz/doorkeeper,nbulaj/doorkeeper,stefania11/doorkeeper,mavenlink/doorkeeper,AdStage/doorkeeper,outstand/doorkeeper,AICIDNN/doorkeeper,ValMilkevich/doorkeeper,dollarshaveclub/doorkeeper,ministryofjustice/doorkeeper,dollarshaveclub/doorkeeper,ezilocchi/doorkeeper,identification-io/doorkeeper,outstand/doorkeeper,ngpestelos/doorkeeper,ngpestelos/doorkeeper,lalithr95/doorkeeper,pmdeazeta/doorkeeper,calfzhou/doorkeeper,telekomatrix/doorkeeper,AdStage/doorkeeper,outstand/doorkeeper,Uysim/doorkeeper,jasl/doorkeeper,vovimayhem/doorkeeper,moneytree/doorkeeper,vanboom/doorkeeper,ValMilkevich/doorkeeper,telekomatrix/doorkeeper,identification-io/doorkeeper,Uysim/doorkeeper,ezilocchi/doorkeeper,ministryofjustice/doorkeeper,nbulaj/doorkeeper,GeekOnCoffee/doorkeeper,jasl/doorkeeper,calfzhou/doorkeeper,daande/doorkeeper,ukasiu/doorkeeper,mavenlink/doorkeeper,kolorahl/doorkeeper,6fusion/doorkeeper,dk1234567/doorkeeper,EasterAndJay/doorkeeper,dk1234567/doorkeeper,6fusion/doorkeeper,stormz/doorkeeper,doorkeeper-gem/doorkeeper,mavenlink/doorkeeper,vovimayhem/doorkeeper,ukasiu/doorkeeper,AICIDNN/doorkeeper,jasl/doorkeeper,lalithr95/doorkeeper,doorkeeper-gem/doorkeeper