Fix acceptance tests running under Vagrant

.gitignore

@@ -1,9 +1,10 @@
-pkg
 spec/fixtures
+pkg
 .bundle/
 .vagrant
 .yardoc
 doc
 *.swp
 .ruby-version
 log
+Gemfile.lock

Gemfile

@@ -1,4 +1,4 @@
-source "http://rubygems.org"
+source "https://rubygems.org"
 
 group :test do
   gem "rake"
@@ -15,11 +15,12 @@ end
 group :development do
   gem "travis"
   gem "travis-lint"
-  gem "beaker", :git => 'https://github.com/puppetlabs/beaker.git'
+  gem "beaker", "2.13.0"
   gem "beaker-puppet_install_helper", :require => false
   gem "beaker-rspec"
   gem "puppet-blacksmith"
   gem "guard-rake"
   gem "pry"
   gem "yard"
+  #gem "vagrant-wrapper"
 end

spec/spec_helper_acceptance.rb

@@ -1,7 +1,14 @@
 require 'beaker-rspec/spec_helper'
 require 'beaker-rspec/helpers/serverspec'
-require 'beaker/puppet_install_helper'
 require 'pry'
+require 'beaker/puppet_install_helper'
+
+# this is a workaround for BKR-419. Beaker currently fails to
+# install puppet on Ubuntu 14.04 after version 2.13.0. But
+# install_puppet_on is used by puppet_install_helper
+def install_puppet_on(hosts, opts = {})
+  install_puppet(opts)
+end unless respond_to? :install_puppet_on
 
 run_puppet_install_helper