Update : I got voucher from Adobe for scheduling exam at no cost. Thanks for support from everyone. @nitesh_kumar  Thank you very much.

Thank you @nitesh_kumar, Surely I will do that.

I have scheduled exam for Adobe Experience Manager Professional sites developer certification exam, I also joined before 15 mins of scheduled time & exam proctoring window started, It downloaded an app & asked to join session on GoTo meetings app. But it kept saying "waiting for join". I waited for ...