Navigation now has a click success condition

lms/djangoapps/courseware/features/navigation.py

@@ -84,8 +84,11 @@ def click_on_section(step, section):
 
     subid = "ui-accordion-accordion-panel-" + str(int(section) - 1)
     subsection_css = 'ul.ui-accordion-content-active[id=\'%s\'][aria-expanded=\'true\']> li > a' % subid
+    prev_url = world.browser.url
+    changed_section = lambda: prev_url != world.browser.url
+
     #for some reason needed to do it in two steps
-    world.css_click(subsection_css)
+    world.css_click(subsection_css, success_condition=changed_section)
 
 
 @step(u'I click on subsection "([^"]*)"$')