Move to setup_acceptance_node.pp

Rather than writing the setup code in Ruby, this is now written in
Puppet. That works better with modulesync. It also switches from the
legacy operatingsystem fact to the modern os.name fact. This is now
easily detectable with puppet-lint.

spec/setup_acceptance_node.pp

@@ -0,0 +1,15 @@
+case $facts['os']['name'] {
+  'CentOS': {
+    # Mosquitto is packaged in EPEL
+    package { 'epel-release':
+      ensure => installed,
+    }
+  }
+  'Fedora': {
+    # For serverspec
+    package { 'iproute':
+      ensure => installed,
+    }
+  }
+  default: {}
+}

spec/spec_helper_acceptance.rb

@@ -3,11 +3,4 @@
 # This file is completely managed via modulesync
 require 'voxpupuli/acceptance/spec_helper_acceptance'
 
-configure_beaker do |host|
-  case fact_on(host, 'operatingsystem')
-  when 'CentOS'
-    host.install_package('epel-release')
-  when 'Fedora'
-    host.install_package('iproute')
-  end
-end
+configure_beaker