ADS1115 analog gain signal module - how to run it with espruino?

... but you'd end up writing a virtual ADS1X15 - and then your test is only as good as the virtual implementation?

I guess potentially one way to handle this would be to have a few volunteers who were willing to sacrifice a Raspberry Pi and some STM32-based board. They could then connect that board up to the Pi, make a test harness with whatever hardware they wanted and some test code, and put it on the internet - the Pi could automatically download each binary, flash the STM32, run the test, and report back the result.