'Return the score of the test problem when one correct problem (out of
two) is submitted.'

def _get_score(self):

    self.submit_question_answer(u'problem', {u'2_1': u'Correct'})
    course_structure = get_course_blocks(self.request.user, self.course.location)
    subsection_factory = SubsectionGradeFactory(self.request.user, course_structure=course_structure, course=self.course)
    return subsection_factory.create(self.sequence)
