Hello,

Here are links to materials available on Champion Center:

Go Live Checklist Template

Upgrade Best Practices This includes a checklist for upgrades

ServiceNow Application Creator Project Plan This was created by a customer on how they successfully managed building apps on ServiceNow - could relate to what you are looking to build for your project (test plans, check list)

Beyond the party - Driving lasting adoption

Here is a link in product documentation that provides how you can manage your testing plans and create templates in platform and other testing recommendations contained within this search: Search

Credits: here

Thanks!