Twitter announced yesterday that they are test driving a new “Lists” feature that they plan to unveil to the Tweet masses in the weeks ahead. The feature plays off their controversial “Suggested User List” that features popular and celebrity Twitter users. The “Lists”feature will allow you to create your own similar lists.

The ability to subscribe to your Twitter buddies’ lists means you can check in on groups of users without actually following them. In the test version, tweets from users on a list you follow don’t show up in your main stream, but rather in a separate list stream.

Only a select few privileged users are currently able to use and test out the new feature. Users create and add fellow users to their lists. Your friends or followers can then subscribe to those ‘lists.’ Once the kinks are worked out it will be available to all Tweeters.