Add rabbitmq config test (#4439)
Add rabbitmq config test (#4439)

* Add rabbit mq config tests

* Add rabbit mq config tests

* Fix style

* Revert test__get_metrics

DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core