Yes
The answer to that is a resounding Yes
jeswin on Hacker News
In the thread “Using LLMs to enhance our testing practices”, replying to this comment
Helped: Generating entire test suites and project code.
… The question is only about whether it is a _significant_ nett saving on the time spent across various project types. The answer to that is a resounding Yes. The entire set of tests for a web framework I wrote recently were generated with Claude and GPT. …