Links to the Project Admin Blog and Brian Smith's blog concerning the release of the June 2012 CU.
If you haven't already, please develop test procedures to use before and after testing the upgrade in a TEST environment. Use the same procedures in PROD when you install there. This will ensure that you notice anything broken before or after the installation.
I have attached documentation I wrote for Project Server 2007 functionality validation testing that includes data validation testing instructions. I appreciate any feedback you may have on these! You will need to download a free copy of 7Zip to unzip the file.
Below are links to online functionality testing for Project Server 2010:
Perform initial testing using the “Initial use setup”.
After you complete the initial use checks, proceed to the following series of tests (does not include data validation).