def test_reusable_content_different_owner_no_magic(self):
        """Test update_content will not reuse someone elses content."""
        user2 = make_storage_user(
            username='testuserX', max_storage_bytes=2 ** 32)
        assert user2.id != self.user.id

        hash_value = self.factory.get_fake_hash()
        self._make_file_with_content(hash_value, gw=user2._gateway)
        blobexists, storage_key = self.gw.is_reusable_content(hash_value, None)
        self.assertTrue(blobexists)
        self.assertEqual(storage_key, None)