Clarify method intent. Use BrokenPromise rather than assert.

common/test/acceptance/pages/lms/courseware.py

@@ -78,9 +78,11 @@ class CoursewarePage(CoursePage):
         else:
             return self.q(css=self.xblock_component_selector).attrs('innerHTML')[index].strip()
 
-    def tooltips_displayed(self):
+    def verify_tooltips_displayed(self):
         """
-        Verify if sequence navigation bar tooltips are being displayed upon mouse hover.
+        Verify that all sequence navigation bar tooltips are being displayed upon mouse hover.
+
+        If a tooltip does not appear, raise a BrokenPromise.
         """
         for index, tab in enumerate(self.q(css='#sequence-list > li')):
             ActionChains(self.browser).move_to_element(tab).perform()
@@ -89,8 +91,6 @@ class CoursewarePage(CoursePage):
                 'Tab {index} should appear'.format(index=index)
             )
 
-        return True
-
     @property
     def course_license(self):
         """

common/test/acceptance/tests/lms/test_lms.py

@@ -864,7 +864,7 @@ class TooltipTest(UniqueCourseTest):
         self.course_info_page.visit()
         self.tab_nav.go_to_tab('Courseware')
 
-        self.assertTrue(self.courseware_page.tooltips_displayed())
+        self.courseware_page.verify_tooltips_displayed()
 
 
 @attr('shard_1')