- Change vendor_id from string "TESTVENDOR" to test_vendor.id (integer) - Add test_marketplace_import_vendor_not_found for vendor lookup errors - Add test_marketplace_import_commit_error_handling for commit failures - Add test_marketplace_import_close_error_handling for session close errors - Achieves 100% test coverage on app/tasks/background_tasks.py 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>