class Capybara::Driver::Base def current_url raise NotImplementedError end def visit(path) raise NotImplementedError end def find(query) raise NotImplementedError end def evaluate_script(script) raise Capybara::NotSupportedByDriverError end def wait? false end def wait_until *args end def response_headers raise Capybara::NotSupportedByDriverError end def body raise NotImplementedError end def within_frame(frame_id) raise Capybara::NotSupportedByDriverError end def source raise NotImplementedError end def cleanup! end def has_shortcircuit_timeout? false end end