'Tests that the recent enrollment list is empty if configured to zero seconds.'

def test_zero_second_delta(self):

    self._configure_message_timeout(0)
    courses_list = list(get_course_enrollments(self.student, None, []))
    self.assertEqual(len(courses_list), 2)
    recent_course_list = _get_recently_enrolled_courses(courses_list)
    self.assertEqual(len(recent_course_list), 0)
