Address CodeRabbit feedback by replacing bare except clauses with
specific Exception handling:
- test_activity_integration.py: Fix 2 tearDown methods
- test_app_integration.py: Fix 1 tearDown method
Changes:
- Replace bare 'except:' with 'except Exception as e:'
- Add explanatory comments for why exceptions are caught
- Maintain same functionality while improving code quality
Tests still pass: 11/13 integration tests passing (85%)