Broken thinking sphinx rspec config

search_spec.rb

feature "Search for Models" do

  let(:my_model){ FactoryGirl.create(:my_fancy_model) }

  before do
    ThinkingSphinx::Test.index
  end

  scenario "A user searches for models by title" do
    visit "/models"
    click_link("Advanced Search")
    within("#adv_search") do
      fill_in 'title', :with => my_model.title
      click_link("Search")
    end
    page.should have_content(my_model.title)
  end
end

spec_helper.rb

# encoding: utf-8

Spork.prefork do
  ENV["RAILS_ENV"] ||= 'test'
  require File.expand_path("../../config/environment", __FILE__)
  require 'rspec/rails'
  require 'rspec/autorun'
  require 'capybara/rspec'
  require 'capybara/rails'
  require 'thinking_sphinx/test'
  require 'database_cleaner'

  # Requires supporting ruby files with custom matchers and macros, etc,
  # in spec/support/ and its subdirectories.
  Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}

  RSpec.configure do |config|
    config.include Capybara::DSL
    config.include Capybara::RSpecMatchers
    
    config.mock_with :rspec
    config.use_transactional_fixtures = false

    config.before(:suite) do
      DatabaseCleaner.strategy = :deletion

      # Ensure sphinx directories exist for the test environment
      ThinkingSphinx::Test.init
      # Configure and start Sphinx, and automatically
      # stop Sphinx at the end of the test suite.
      ThinkingSphinx::Test.start_with_autostop
    end

    config.before(:each) do
      DatabaseCleaner.start
      # Index data when running an acceptance spec.
      ThinkingSphinx::Test.index
    end

    config.after(:each) do
      DatabaseCleaner.clean
    end

    config.include SphinxHelpers, type: :request
  end
end

sphinx_helpers.rb

module SphinxHelpers
  def index
    ThinkingSphinx::Test.index
    # Wait for Sphinx to finish loading in the new index files.
    sleep 0.25 until index_finished?
  end

  def index_finished?
    Dir[Rails.root.join(ThinkingSphinx::Test.config.searchd_file_path, '*.{new,tmp}.*')].empty?
  end
end