I\'m admin of my test app, and my test page.
Now I\'m doing a function get page\'s feed realtime by webhook, just only on development mode.
When I click test but
I've submitted a Bug report to Facebook for this issue, as there is no proper solution. You can check it at : https://developers.facebook.com/support/bugs/1570460936387604/
I also don't get the fact that you can't test webhooks in dev mode, and you can't do the app review because you can't develop your app and show them for review. Just a chicken and egg issue.