I suspect that building tooling, as in things to automate test-generation, likely only going to be successful in situations which cry out for some duplication t

I suspect that building tooling, as in things to automate test-generation, likely only going to be successful in situations which cry out for some duplication to be eliminated. A thing that can be done is to improve the way that the frameworks we use support testability. For instance, the company I'm at felt like rails controllers had gotten hard to write tests for and so they replaced them with https://github.com/gocardless/coach https://github.com/gocardless/coach. Here's a blog post if you're interested in using it: https://gocardless.com/blog/getting-started-with-coach/ https://gocardless.com/blog/getting-started-with-coach/