reCAPTCHA for testing
By 管理人
“I’d like to run automated tests with reCAPTCHA. What should I do?”
https://developers.google.com/recaptcha/docs/faq
There is a set of keys for testing purpose.
On the first time, the reCAPTCHA widget will show a warning message. And verify with check “I’m not a robot”, completed message will appear.