🧪 [testing improvement] Add tests for CatalogSyncReport::has_errors

[edithatogo]

🎯 What: The testing gap addressed
Tests were missing for CatalogSyncReport::has_errors.

📊 Coverage: What scenarios are now tested
Tests cover the logic when errors vector is empty (returning false) and when errors vector is not empty (returning true).

✨ Result: The improvement in test coverage
The method CatalogSyncReport::has_errors is now fully covered by tests and passes.

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PR created automatically by Jules for task 9386642974485398260 started by @edithatogo

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