fix(tests): resolve flaky test_batch_download_session_closed #1406

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xiaoxia merged 2 commits from fix/flaky-batch-download-session-test into develop 2026-08-17 19:55:28 +08:00

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CI Bot 77c5bb851e style: auto-format with black + isort + prettier [skip ci-format-check]
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2026-08-17 11:48:51 +00:00
CI Bot ba474bd97f fix(tests): resolve flaky test_batch_download_session_closed
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Root cause:
- _run_with_fakes called session_maker() BEFORE patch context
- Full test suite runs caused PromiseProxy cache staleness
- Session mock tracked outside patch did not match actual session

Fix:
- Use patch.object on actual worker_app.db module (not string path)
- Track session creation INSIDE patch context via wrapper
- Make test_batch_download_session_closed self-contained
- Apply same pattern to test_batch_download_closes_session_on_error

This ensures proper isolation and avoids module-level cache issues.
2026-08-17 19:44:29 +08:00