[8.x] [Fleet] Updating trained model test data (#204008) (#204170)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Fleet] Updating trained model test data
(#204008)](#204008)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

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Co-authored-by: James Gowdy <[email protected]>