使用open_id_authentication插件时，如何在RSpec用户故事/ Cucumber中伪造OpenID登录

I'm trying to write a Cucumber scenario that requires me to have a logged in user - that would normally be quite simple but I'm only using OpenID authentication (curtosy of the authentication plugin). However after digging through the open_id_authentication plugins guts I'm not sure how I could achieve this within Cucumber.I'm trying to write a Cucumber scenario that re