* Open up RC branch with attached .PBO.
* Open up 3D editor
* Click Eden Test Button
* Click test edenTest_settings option
* Click checkboxes to form any configuration of check / unchecked boxes
* Click OK
* Save mission
* Reopen test edenTest_settings menu
* Observe checkboxes have returned to default values
* Observe the created mission.sqm contains an empty class CustomAttributes