Google adMob without unit ID(AdMob publisher ID), just for testing

Is there some way to test adMob in my android开发者_高级运维 application, without having to sign up for it? I first want to test it, before paying to get one. Maybe with some 'general' ID, or some other trick?

ADmob is free!!! :D. just go and make yourself an account. you cant do it without an id.

Admob is free, you don't have to pay to sign up and test but you will need to sign up to put ads in your app, even test ads.

Also I found Mobclix better IMO.