Test Campaign Conditional Content in AEM

We are creating templates in AEM and syncing them with Campaign.

Some templates have conditional blocks like 

<%if(recipient.brand=='Adobe'){%>
Show Adobe Content

<%}else if(recipient.brand=='Facebook'){%>

Show Facebook Content

<%}%>

Is there a way to test these Conditional block within AEM before sending them to Adobe Campaign and previewing them via Personalization fields?

In campaign these are rendered via Javascript Server pages which is not supported in AEM.