title: Remove comments when running rspec
body: <p>When I test my rails app using rspec, a bunch of long comments appear.
  How can I remove them ?</p>
  
  <pre><code> ActionController::RoutingError:
     No route matches [GET] "/events"
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/rack/logger.rb:36:in `call_app'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/rack/logger.rb:24:in `block in call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/rack/logger.rb:24:in `call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-2.0.1/lib/rack/method_override.rb:22:in `call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-2.0.1/lib/rack/runtime.rb:22:in `call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-2.0.1/lib/rack/sendfile.rb:111:in `call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/engine.rb:522:in `call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-2.0.1/lib/rack/urlmap.rb:68:in `block in call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-2.0.1/lib/rack/urlmap.rb:53:in `each'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-2.0.1/lib/rack/urlmap.rb:53:in `call'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-test-0.6.3/lib/rack/mock_session.rb:30:in `request'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-test-0.6.3/lib/rack/test.rb:244:in `process_request'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/rack-test-0.6.3/lib/rack/test.rb:58:in `get'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/capybara-2.7.1/lib/capybara/rack_test/browser.rb:61:in `process'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/capybara-2.7.1/lib/capybara/rack_test/browser.rb:36:in `process_and_follow_redirects'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/capybara-2.7.1/lib/capybara/rack_test/browser.rb:22:in `visit'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/capybara-2.7.1/lib/capybara/rack_test/driver.rb:43:in `visit'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/capybara-2.7.1/lib/capybara/session.rb:233:in `visit'
   # /Users/hadi/.rvm/gems/ruby-2.3.0/gems/capybara-2.7.1/lib/capybara/dsl.rb:52:in `block (2 levels) in &lt;module:DSL&gt;'
   # ./spec/features/list_movies_spec.rb:5:in `block (2 levels) in &lt;top (required)&gt;'
  </code></pre>