    def test_show_unit_extensions(self):
        self.test_change_due_date()
        url = reverse('show_unit_extensions',
                      kwargs={'course_id': self.course.id.to_deprecated_string()})
        response = self.client.post(url, {'url': self.week1.location.to_deprecated_string()})
        self.assertEqual(response.status_code, 200, response.content)
        self.assertEqual(json.loads(response.content), {
            u'data': [{u'Extended Due Date': u'2013-12-30 00:00',
                       u'Full Name': self.user1.profile.name,
                       u'Username': self.user1.username}],
            u'header': [u'Username', u'Full Name', u'Extended Due Date'],
            u'title': u'Users with due date extensions for %s' %
                      self.week1.display_name})
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.