With a test open in the test editor, choose the capability manager tab (by default, it would be found in the bottom view). You can also click the Edit Capabilities () button to show it.
In the panel, you will see the capabilities for the test you have recorded. Click on a value to edit it, or remove it using the remove capability button ().
To add a capability, click on the add capability button () and edit the key and value in the window
All the changes made in the capability manager will be linked to the test file. To save any changes in done in the capability manager, you need to save the test file using eclipse's save button.