def METHOD_NAME(self):
    """
    Assert that a posted back course_id is stored in the database
    """
    answers = deepcopy(self.student_answers)
    answers.update({
        'course_id': str(self.course.id)
    })
    resp = self.client.post(
        self.postback_url,
        answers
    )
    assert resp.status_code == 200
    self._assert_no_redirect(self.course)
    # however we want to make sure we persist the course_id
    answer_objs = SurveyAnswer.objects.filter(
        user=self.user,
        form=self.survey
    )
    for answer_obj in answer_objs:
        assert answer_obj.course_key == self.course.id