Testing code written by a human counts as "tested by a human". Also, most code is literally tested (manually) by humans in addition to automated tests. You are being pointlessly pedantic.

If I were to mirror your tone, I'd ask you if you've ever heard of the basic courtesy of running your code manually yourself before you waste anyone else's time with it... Or whether you've heard about QA, or about making demos for Product or for customers...

Neither of these can be replaced by an automated test suite of any kind.

Additionally, the automated test suite must also be validated by a human to make sure it nails down the correct requirements, as opposed to the requirements as generated by an LLM.