Tag tests that use external resources

Author: shepmaster

tests/spec/features/sharing_with_others_spec.rb

@@ -3,7 +3,7 @@
 require 'support/matchers/be_at_url'
 require 'support/playground_actions'
 
-RSpec.feature "Sharing the code with others", type: :feature, js: true do
+RSpec.feature "Sharing the code with others", :external, type: :feature, js: true do
   include PlaygroundActions
 
   before { visit '/' }