We are in a very funny situation where I just spent two weeks fixing FE bugs and there are so many left. I asked to add integration tests but the answer was “no”, cause we can’t test the UI and all of that.
So the proposed solution was to be more careful, except I’m careful but testing whole website parts or the whole website is not feasible. What can I do?
Don’t. You really can’t for most of it. At best, you can test whatever utility functions you have. The FE can and will break more in design than anything else, and that will never get caught by tests.
That said, try a wholistic approach. Playwright requires you to run the back end too, so you get a proper test suite going, instead of jest or whatever.