This update adds automated checks for Moroccan tax report exports, covering empty exports, exports with transactions, and both critical and non-critical error cases. These tests help ensure the export process remains reliable and reduce the risk of future regressions.

During this PR: https://github.com/odoo/enterprise/pull/51954 tests were not added directly. This PR will add test for the following:
- Simple export with no moves
- Simple export with moves
- Non critical errors
- Critical errors

task-3794278