slapos_parameter_editor: Add sample for object with default for testing

6 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

02:15:21

failed SlapOS.Eggs.UnitTest-Master.Python2

00:28:43

failed SlapOS.Eggs.UnitTest-Master.Python3

00:36:27

failed SlapOS-Master.UnitTest-Master

03:36:39

passed SlapOS.Eggs.UnitTest-Master.Python2

00:42:43

failed SlapOS.Eggs.UnitTest-Master.Python3

06:14:22