update spec tests to support archlinux
update spec tests to support archlinux

Slm0n87/puppet-rabbitmq,fatmcgav/puppetlabs-rabbitmq,puppetlabs/puppetlabs-rabbitmq,puppetlabs/puppetlabs-rabbitmq,voxpupuli/puppet-rabbitmq,fuel-infra/puppetlabs-rabbitmq,fatmcgav/puppetlabs-rabbitmq,Slm0n87/puppet-rabbitmq,Slm0n87/puppet-rabbitmq,voxpupuli/puppet-rabbitmq,fuel-infra/puppetlabs-rabbitmq