Rails generator configuration using rspec and factory_girl

application.rb

# config/application.rb
  class Application < Rails::Application
    config.generators do |g|
      g.orm :active_record
      g.template_engine :erb
      g.stylesheets false
      g.javascripts false
      g.test_framework :rspec,
                       fixtures:         true,
                       view_specs:       false,
                       helper_specs:     false,
                       routing_specs:    false,
                       controller_specs: false,
                       request_specs:    false
      g.fixture_replacement :factory_girl, dir: 'spec/factories'
    end
  end