Microsoft has released Office365 IPv6 test plan for Exchange, SharePoint, Lync and other office 365 component services for customers. This test plan provides step-by-step test cases for UAT testing and validating the capability of an environment to connect via IPv6 to Microsoft Office 365 instances. This test plan would be useful during transition to IPv6 network or deployment of IPv6 in your infrastructure.
You can download test plan from here,
http://www.microsoft.com/en-in/download/details.aspx?id=37135
Enjoy !
Sumit