def test_non_empty_items(self):
   '''
   Test grabber for non-empty items when it SHOULD NOT have non-empty items
   '''
   grabber = CourseraRootCourseGrabber()
   course_id = 'anycourse'
   course_n_seq = '001'
   coursera_item_obj = CourseraCourse(course_id, course_n_seq)
   # adding one arbitrary course arbitrarily
   grabber.course_tuple_list = [(coursera_item_obj.course_id, coursera_item_obj)] 
   # it must NOT be empty if an item was added to it 
   self.assertNotEqual([], grabber.course_tuple_list)