MongoMapper.connection = Mongo::Connection.new 'localhost', 27017
MongoMapper.database = 'kaminari_test'

MongoMapper.connection = Mongo::Connection.new '0.0.0.0', 27017
MongoMapper.database = 'kaminari_test'

Fix mongo mapper test suite
Fix mongo mapper test suite

https://travis-ci.org/amatsuda/kaminari/jobs/41827391#L98
