[DoctrineMongoDBBundle] Fixing a test that was passing in the configs array without the wrapping array.
[DoctrineMongoDBBundle] Fixing a test that was passing in the configs array without the wrapping array.

Also rewrote this so that it's more clear.

sarcher/DoctrineMongoDBBundle,0mars/DoctrineMongoDBBundle,Soullivaneuh/DoctrineMongoDBBundle,malarzm/DoctrineMongoDBBundle,doctrine/DoctrineMongoDBBundle,juchi/DoctrineMongoDBBundle,tomasbro/DoctrineMongoDBBundle,malarzm/DoctrineMongoDBBundle,castarco/DoctrineMongoDBBundle,0mars/DoctrineMongoDBBundle,juchi/DoctrineMongoDBBundle,tomasbro/DoctrineMongoDBBundle,stof/DoctrineMongoDBBundle,alcaeus/DoctrineMongoDBBundle,jahller/DoctrineMongoDBBundle,alcaeus/DoctrineMongoDBBundle,castarco/DoctrineMongoDBBundle,jahller/DoctrineMongoDBBundle,Soullivaneuh/DoctrineMongoDBBundle