Some Good Links on Testing in TFS

patterns & practices: Team Development with Visual Studio Team Foundation Server
http://tfsguide.codeplex.com/releases/view/6280

Visual Studio UI Automation Testing (includes CodedUI)
http://social.msdn.microsoft.com/Forums/en-US/vsautotest/threads

How to: Create a Coded UI Test
http://msdn.microsoft.com/en-us/library/dd286681.aspx

How to: Generate a Coded UI Test by Recording the Application Under Test
http://msdn.microsoft.com/en-us/library/dd286608.aspx

How to: Create a Data-Driven Coded UI Test
http://msdn.microsoft.com/en-us/library/ee624082.aspx

Creating and Running Unit Tests for Existing Code
http://msdn.microsoft.com/en-us/library/dd293546.aspx

How to: Create a Data-Driven Unit Test
http://msdn.microsoft.com/en-us/library/ms182527.aspx

Walkthrough: Using a Configuration File to Define a Data Source
http://msdn.microsoft.com/en-us/library/ms243192.aspx