Adjust ownership of test artifacts

[sfc-gh-bdufour]

Pre-review checklist

• [N/A] I've confirmed that instructions included in README.md are still correct after my changes in the codebase.
• [N/A] I've added or updated automated unit tests to verify correctness of my new code.
• [N/A] I've added or updated integration tests to verify correctness of my new code.
• [N/A] I've confirmed that my changes are working by executing CLI's commands manually.
• [X] I've confirmed that my changes are up-to-date with the target branch.
• [N/A] I've described my changes in the release notes.
• [X] I've described my changes in the section below.

Changes description

Adjust ownership of test artifacts to reflect the new structure for native apps. Also, ensure that snapshots have shared ownership to facilitate the PR process for NADE.