Unity Ads AdMob Mediation Setup

For integrating Unity Ads within my AdMob mediation setup, I have followed this guide from first to last and follow exactly same steps:

Integrating Unity Ads with Mediation Now I want to make sure whether I require to enable Unity Ads within Unity Services section or not??

I want to make sure whether I did proper setup for Unity Ads or not because other ad networks already integrated so I can't able to make sure all steps implemented properly.