def test_question_is_subquestion_if_parent_is_given(self):
question_2 = Question.objects.create(text="This is a question", answer_type="number", order=2)
subquestion = Question(text="Specify others", answer_type=Question.TEXT, parent=question_2)
subquestion.save()
self.assertEqual(False, question_2.subquestion)
self.assertEqual(True, subquestion.subquestion)
