[PR] Fix tests/sensors/test_external_task_sensor.py for database isolation tests [airflow]

["bugraoz93 (via GitHub)" <gi...@apache.org>]

bugraoz93 opened a new pull request, #41450:
URL: https://github.com/apache/airflow/pull/41450

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   Related: #41067
   Similar tests were skipped so I skipped these two. 
   
   **TLDR**
   The problem seems like the `dag` is not attached to any session and the `dag` method is called when it is `None`. The error specifying `...is not bound to a Session;...`. We could try to somehow use `dag_maker` in this file to create `self.dag` for skipped tests. In that case, I assume the dag won't be None via passing the session to dag_maker. I may be missing some parts and adding dag_maker into the test context won't solve all issues. What do you think? 
   
   
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Re: [PR] Fix tests/sensors/test_external_task_sensor.py for database isolation tests [airflow]

["potiuk (via GitHub)" <gi...@apache.org>]

potiuk merged PR #41450:
URL: https://github.com/apache/airflow/pull/41450


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