Add a spec helper for running the rspec tests
user
```ruby
unless defined?(SPEC_HELPER_IS_LOADED)
  SPEC_HELPER_IS_LOADED = 1

  dir = File.expand_path(File.dirname(__FILE__))

  $LOAD_PATH.unshift("#{dir}/")
  $LOAD_PATH.unshift("#{dir}/lib") # a spec-specific test lib dir
  $LOAD_PATH.unshift("#{dir}/../lib")

  # Don't want puppet getting the command line arguments for rake or autotest
  ARGV.clear

  require 'puppet'
  require 'mocha'
  gem 'rspec', '>=2.0.0'


  # So everyone else doesn't have to include this base constant.
  module PuppetSpec
    FIXTURE_DIR = File.join(dir = File.expand_path(File.dirname(__FILE__)), "fixtures") unless defined?(FIXTURE_DIR)
  end

  module PuppetTest
  end

  RSpec.configure do |config|
    config.mock_with :mocha

    config.after :each do
      Puppet.settings.clear
      Puppet::Node::Environment.clear
      Puppet::Util::Storage.clear

      if defined?($tmpfiles)
        $tmpfiles.each do |file|
          file = File.expand_path(file)
          if Puppet.features.posix? and file !~ /^\/tmp/ and file !~ /^\/var\/folders/
            puts "Not deleting tmpfile #{file} outside of /tmp or /var/folders"
            next
          elsif Puppet.features.microsoft_windows?
            tempdir = File.expand_path(File.join(Dir::LOCAL_APPDATA, "Temp"))
            if file !~ /^#{tempdir}/
              puts "Not deleting tmpfile #{file} outside of #{tempdir}"
              next
            end
          end
          if FileTest.exist?(file)
            system("chmod -R 755 '#{file}'")
            system("rm -rf '#{file}'")
          end
        end
        $tmpfiles.clear
      end

      Puppet::Util::Log.close_all
    end

    config.before :each do
      # these globals are set by Application
      $puppet_application_mode = nil
      $puppet_application_name = nil

      # Set the confdir and vardir to gibberish so that tests
      # have to be correctly mocked.
      Puppet[:confdir] = "/dev/null"
      Puppet[:vardir] = "/dev/null"

      # Avoid opening ports to the outside world
      Puppet.settings[:bindaddress] = "127.0.0.1"

      @logs = []
      Puppet::Util::Log.newdestination(Puppet::Test::LogCollector.new(@logs))
    end
  end
end
```
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