Add test to check setting max conenctions does not crash any processes
Add test to check setting max conenctions does not crash any processes

This is a regression test to prevent a previous bug.

K2InformaticsGmbH/ranch,rbalint/pkg-erlang-ranch,lpgauth/ranch,astutesparrow/ranch,cloudant/ranch,layerhq/ranch,heroku/ranch,ninenines/ranch,fireflyc/ranch,rymir/ranch