Ensure test files are deleted after fs metrics gathering run
Temporary test files used to perform synthetic tests were not deleted after metrics gathering have run resulting in flood of temp files in repository folders.
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
- Changelog entry added, if necessary
- Documentation created/updated
- Added for this feature/bug
- All builds are passing
- Conform by the merge request performance guides
- Conform by the style guides
Branch has no merge conflicts with
master(if it does - rebase it please)
- Squashed related commits together
What are the relevant issue numbers?
Closes: #35457 (closed)