Files
Lucas Manuel Rodriguez e447a685f0 Rename fleetctl's testing_utils.go to testing_utils_test.go and create separate test package (#45585)
Resolves #45220 (one of several PRs, we are very close)

## Testing

- [X] QA'd all new/changed functionality manually

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## Summary by CodeRabbit

* **Tests**
* Improved test infrastructure for the CLI: consolidated and renamed
test helpers, added a dedicated in-process CLI test helper, and updated
many test cases to use the new helpers.
* Tightened several test assertions and standardized output/error
validation across unit and integration tests to improve reliability.

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2026-05-15 11:59:18 -03:00
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