Added Gemfile for rake test tasks
Added Gemfile for rake test tasks

bastelfreak/puppet-prometheus2,bastelfreak/puppet-prometheus2,dhoppe/puppet-prometheus,bastelfreak/puppet-prometheus2,mdebruyn-trip/puppet-prometheus,dhoppe/puppet-prometheus,dhoppe/puppet-prometheus,mdebruyn-trip/puppet-prometheus,mdebruyn-trip/puppet-prometheus