## Motivation and Context
Replace shared temp paths with `t.TempDir()`` so each test gets its own
cleanup-scoped directory.
- This avoids leftover files and cross-test interference. No production
code changed.
## How Has This Been Tested?
GitHub CI passed.
- https://github.com/yowainwright/registry/pull/1
## Breaking Changes
No breaking changes; just tests.
## Types of changes
- [x] chore
## Checklist
<!-- Go over all the following points, and put an `x` in all the boxes
that apply. -->
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [x] I have added or updated documentation as needed
## Additional context
Small test-only cleanup. No production code paths are changed.
Co-authored-by: Radoslav Dimitrov <radoslav@stacklok.com>