Facebook testing 'Sell Something' button in groups

Facebook is conducting an interesting test, acknowledging that many people use groups to sell and trade items locally. Some Facebook users reported seeing an option in the status update box for groups, prompting them to Sell Something.

Facebook told The Next Web that this is a test:

We are testing a new feature within Facebook Groups to help people better organize posts about items they’d like to sell to other people on Facebook. This is a small test limited to select Facebook Groups that have active selling communities today.

Facebook also has a Help Center entry about selling things via groups:

Is Facebook responsible for things sold in a Group?