def METHOD_NAME(self):
    """Storing 'False' as the dismissal ignores all updates."""
    self.create_course_update('First')
    assert get_current_update_for_user(self.request, self.course) == 'First'
    set_course_tag(self.user, self.course.id, self.UPDATES_TAG, 'False')
    assert get_current_update_for_user(self.request, self.course) is None