'Verifies that "Show Answer" is only present when expected (for staff only).'

def verify_show_answer_present(self, show_answer_expected):

    problem_html = json.loads(self.get_problem().content)['html']
    self.assertIn(self.problem_display_name, problem_html)
    self.assertEqual(show_answer_expected, ('Show    Answer' in problem_html))
