As of version 2015 R1 we have extended the functionality of the Step Builder. You can now find all the custom steps which were moved from the Test ribbon along with improved actions and verifications. The list will be displayed in Step Builder tab on the right bottom pane.
1. Click the Step Builder tab in the lower right corner.
2. The Step Builder pane appears. Now select an element from the Elements Explorer to see the suggested action and verification steps for it.
3. Select the action or verification you want to create and click Add Step button.