fix: #1596 restructure all test folders to match the library they test so it is …

[tunedev]

…easy to locate corresponding tests

Checklist

• [ X] A link to the issue/user story that the pull request relates to
• [ ] How to recreate the problem without the fix
• [] Design of the fix
• [ ] How to prove that the fix works
• [ ] Automated tests that prove the fix keeps on working
• [ ] Documentation - any JSDoc, website, or Stackoverflow answers?

Issue/User story

#1596

Steps to Reproduce

N/A