Filtering test plans is one of those things that really streamlines your usage of multiple test plans and makes them easily accessible from the test plan dropdown.
First you need to click on the test plan filter icon
Anna Russo is an ALM MVP specializing in ALM TFS Software Process consulting and training.
Since 2008 Anna has worked with a variety of clients to improve their software quality and processes by properly implementing Microsoft Team Foundation Server, Microsoft Test Manager, and Visual Studio tools.
Anna applies hands on expertise providing: install/upgrade/customize TFS server, mentor on software processes, technical training, release strategies, automated build scripts, automated testing, and building virtual lab infrastructures.