    def test_rescore_entrance_exam_all_student_and_single(self):
        """ Test re-scoring with both all students and single student parameters. """
        url = reverse('rescore_entrance_exam', kwargs={'course_id': unicode(self.course.id)})
        response = self.client.get(url, {
            'unique_student_identifier': self.student.email,
            'all_students': True,
        })
        self.assertEqual(response.status_code, 400)
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.