test 결과 두 가지 error 가 발생했습니다. 뭐가 잘못된 건지 도저히 모르겠습니다.

ERROR: test_post_detail (blog.tests.TestView)

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Traceback (most recent call last):

  File "C:\Users\sungk\Git\django_website\blog\tests.py", line 276, in test_post_detail

    self.assertIn(post_000.title, main_div)

  File "C:\Users\sungk\AppData\Local\Programs\Python\Python39\lib\unittest\case.py", line 1095, in assertIn

    if member not in container:

TypeError: argument of type 'NoneType' is not iterable

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FAIL: test_tag (blog.tests.TestModel)

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Traceback (most recent call last):

  File "C:\Users\sungk\Git\django_website\blog\tests.py", line 94, in test_tag

    self.assertEqual(tag_001.post_set.first(), post_001) # 하나의 tag는 자신을 가진 post들을 불러올 수 있다.

AssertionError: <Post: The first post :: smith> != <Post: Stay Fool, Stay Hungry :: smith>