Add access tests using shared-key for auth

Issue

Short description of the approach taken to solve the issue

[ ] Read through all changes. No redundant print() statements, commented-out code, or other remnants from the development. 👀
[ ] Make sure tests pass after every commit. ✅
[ ] New/refactored code is following same conventions as the rest of the code base. 🧬
[ ] New/refactored code is tested. ⚙
[ ] Documentation has been updated 🧾