thoughtbot/capybara-webkit — pull request #288 by josephbridgwaterrowe (2012-03-06 22:25:43+00:00)
Title: Added empty invalid_element_errors method.

Driver does not inherit from Base driver and was intermittently causing the following error:

undefined method `invalid_element_errors' for # (NoMethodError)
(eval):2:in `has_content?'