How Long Did It Take to Become Comfortable Enough to Write Patches With Tests?

The standard e-shell standard emacs testing framework is called ERT, which is. just a unit testing framework. So for one of the PRs, I need to start writing tests so I need to use ERT. Also with learning elis right now, I started contributing to a package called E-clim. And we use ice. Oh, there are tests. Yeah. Preferably with tests. Yes. OK. All right. Okay. Let's see how can I. When you were submitting the patches, did you have to do any, any testing with them or I imagine you did right so what did you guys use a framework or was a testing that you