ruby-on-rails – 运行Rspec功能规格时如何抑制请求中的噪音？

.............Started GET "/sign_up" for 127.0.0.1 at 2013-08-08 10:52:00 -0700
Started POST "/accounts" for 127.0.0.1 at 2013-08-08 10:52:01 -0700
Started GET "/" for 127.0.0.1 at 2013-08-08 10:52:01 -0700
.Started GET "/sign_in" for 127.0.0.1 at 2013-08-08 10:52:02 -0700
Started POST "/users/sign_in" for 127.0.0.1 at 2013-08-08 10:52:02 -0700
Started GET "/" for 127.0.0.1 at 2013-08-08 10:52:02 -0700
................................. (etc...)

我如何抑制我的输出中的请求的消息？我已经尝试将日志级别设置为无效.任何想法将不胜感激.谢谢！

编辑：

这是一个使用Ruby 2.0的Rails 4项目.

投机/ spec_helper.rb

ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment",__FILE__)
require 'rspec/rails'
require 'rspec/autorun'
require 'factory_girl'
require 'capybara/rails'
require 'capybara/rspec'
require 'webmock/rspec'

Dir[Rails.root.join("spec/support/**/*.rb")].each { |f| require f }
ActiveRecord::Migration.check_pending! if defined?(ActiveRecord::Migration)

RSpec.configure do |config|
  config.mock_with :mocha
  config.include FactoryGirl::Syntax::Methods
  config.use_transactional_fixtures = true
  config.infer_base_class_for_anonymous_controllers = false
  config.order = "random"
end

规格/功能/ sign_in_spec.rb

require "spec_helper"
feature "Sign in" do
  background do
    account = create(:account)
    @admin = account.admin
  end
  scenario "User signs into the application" do
    visit sign_in_path
    fill_in "user_email",with: @admin.email
    fill_in "user_password",with: @admin.password
    click_button "Sign in"
    expect(page).to have_content "Signed in successfully"
  end
end