There is also a school of thought that says there should be no strict correspondence between test structure and code structure, e.g.
blog.cleancoder.com/uncle-bo…
If you are into python, check out @powerfulpython then develop your skills and checkout @raymondh, if not python, check out plenty of other online resources. The internet is beautiful in that respect. Learn! Online, books... <10k can go far!
Before spending 10-20k+ on a bootcamp, buy a couple $10 udemy courses or find some free materials to dig into.
Get an idea of the path you want to take.
No one wants to be 8 weeks into a front-end specific bootcamp & realize you'd rather be a back-end or iOS developer.
Weeks ago I included this title in the “suggested purchases” list for the lab I work for at @FIU. Last week new items arrived and I was happy to find a copy of @powerfulpython 🤠