Hey, I think this question lands more in another stack exchange - about general practices in software development, which you can find here: softwareengineering.stackexchange.com It may also be a wonderful resource for you to find more about TDD. — Krzysztof Witczak26 secs ago
Welcome to Stack Overflow. Please take the tour to learn how Stack Overflow works and read How to Ask on how to improve the quality of your question. Then edit your question to include your source code as a working minimal reproducible example, which can be compiled and tested by others. Please see: Why is “Is it possible to…” a poorly worded question?. Please show your attempts you have tried and the problems/error messages you get from your attempts. — Progman35 secs ago