def METHOD_NAME(self):
    self.assertIn(self.profile, self.organizations['open'])
    self.assertIn(self.profile.id, self.organizations['open'])
    self.assertNotIn(self.users['superuser'].profile, self.organizations['open'])
    self.assertNotIn(self.users['superuser'].profile.id, self.organizations['open'])
    with self.assertRaisesRegex(TypeError, 'Organization membership test'):
        'aaaa' in self.organizations['open']