UAT testing AAM audience targeting

Could we have some guidance on how we could run Target Activity pre-prod test while using AAM onboarded segments. How can we setup a test browser that is a part of target segment population?  

 
For our on-site personalisation, we want to use AAM segments that use onboarded customer traits. Customer data is passed into AAM from CRM and other corporate data storages through a weekly onboarding. For example, a segment may include people who currently own a certain product. A Target Activity may use this segment, or a segment combining this with other rules (such as marketing consent trait, etc.) to serve an experience on site. We want to be able to QA it properly before it goes live, so we have confidence that the experience is only shown to people we intended. 

Thank you so much for your help!