Fix this so it installs PE appropriately.

spec/spec_helper_acceptance.rb

@@ -1,11 +1,17 @@
 require 'beaker-rspec'
 
+unless ENV['RS_PROVISION'] == 'no'
   hosts.each do |host|
     # Install Puppet
+    if host.is_pe?
+      install_pe
+    else
       install_package host, 'rubygems'
       on host, 'gem install puppet --no-ri --no-rdoc'
       on host, "mkdir -p #{host['distmoduledir']}"
     end
+  end
+end
 
 RSpec.configure do |c|
   # Project root