'Test that course authors cannot toggle the pacing of their course
while the course is running.'

def test_toggle_pacing_after_course_start(self):

    self.course_fixture.add_course_details({'start_date': datetime.now()})
    self.course_fixture.configure_course()
    self.settings_detail.refresh_page()
    self.assertTrue(self.settings_detail.course_pacing_disabled())
    self.assertIn('Course    pacing    cannot    be    changed', self.settings_detail.course_pacing_disabled_text)
