We have integrated invisible recaptcha in one of our websites. Whenever we submit the form it automatically submits.
I read in some google groups that we would get
As of 2019-06-21, it appears that it is sufficient with Google Chrome (v74.0.3729.169) to bring up a new incognito window to force the recaptcha to execute. (I had needed this for our own recaptcha testing, so I'm glad I found it.)