Add webmock for external requests in tests

external_request.rb needs to be required before lint is run.

spec/support/factory_girl.rb

@@ -1,7 +1,12 @@
+require_relative 'external_request'
+
 RSpec.configure do |config|
 
   config.before(:suite) do
-    FactoryGirl.lint if CONFIG['factory_girl_lint']
+    if CONFIG['factory_girl_lint']
+      mock_commercial_request
+      FactoryGirl.lint
+    end
   end
 
 end