Fix selector issue with assert_link_text() in Demo Mode
Fix selector issue with assert_link_text() in Demo Mode

mdmintz/SeleniumBase,mdmintz/SeleniumBase,mdmintz/SeleniumBase,mdmintz/SeleniumBase,seleniumbase/SeleniumBase,seleniumbase/SeleniumBase,seleniumbase/SeleniumBase,seleniumbase/SeleniumBase