(maint) use beaker-puppet to install

puppet_install_helper is unmaintained and can't install puppet anymore

Author: austb

spec/spec_helper_acceptance.rb

@@ -83,7 +83,7 @@ def build_url(platform)
   end
 end
 
-run_puppet_install_helper unless ENV['BEAKER_provision'] == 'no'
+install_puppet_on(hosts) unless ENV['BEAKER_provision'] == 'no'
 install_ca_certs unless ENV['PUPPET_INSTALL_TYPE'] =~ %r{pe}i
 install_module_on(hosts)
 install_module_dependencies_on(hosts)