I saw this article on LinkedIn earlier today and it really helped me understand how user testing is different from usability testing #ux#userexperiencewww.bighuman.com/blog/user-te...

User Testing vs. Usability Testing: What's The Difference? | Big Human

We’re breaking down the difference between user testing and usability testing — two crucial UX research techniques — to give you a deeper understanding of user-centric design.

And unfortunately, you still come across plenty of UX professionals and decision makers who use “user testing” and “usability testing” interchangeably. Good that you are bringing more awareness.