Looking for logging into the Test Facebook site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Test Facebook site. After that you can login as usual with your login credentials.
https://developers.facebook.com/docs/facebook-login/testing-your-login-flow/
https://developers.facebook.com/docs/facebook-login/testing-your-login-flow?locale=it_IT
https://developers.facebook.com/docs/facebook-login/testing-your-login-flow/test-user-access-token/?locale=it_IT
https://developers.facebook.com/docs/facebook-login/
https://stackoverflow.com/questions/31794428/how-to-test-facebook-login
https://medium.com/@_rpiel/how-to-test-facebook-connect-with-espresso-8a1af3e38d50
https://gist.github.com/travisvalentine/8796187
https://auth0.com/docs/connections/social/facebook
https://www.quora.com/How-do-I-test-Facebook-Connect-on-a-local-server
https://wersm.com/facebook-login-will-soon-require-https/
https://meta.discourse.org/t/configuring-facebook-login-for-discourse/13394
https://laracasts.com/discuss/channels/laravel/how-to-test-facebook-login-implemented-by-socialite
http://krasimirtsonev.com/blog/article/Testing-debugging-Facebook-application-unit-testing-test-driven