If you're talking about the article content itself, I could try to make some improvements, but I'm not sure I can help you there. 😅 Everyone's writing/reading style is different.

However, if you're talking about the test code, then after revisiting this article, I would agree. What do you think about an approach similar to this: https://github.com/ITenthusiasm/testing-websockets/tree/next/v2-experimental/typescript?

I'm considering rewriting the article, but only if the new version would be more readable/maintainable for people.