=== initial state ===
 I rc/backup_name = <NULL> <<prio=0>> conf_rev=0
=== setting new values on higher prio should change the final render ===
 I rc/backup_name = from_user <<prio=400 from=<main>:0>> conf_rev=0
 I rc/backup_name = from_design <<prio=700 from=<null-design>:0>> conf_rev=1
 I rc/backup_name = from_cli <<prio=800 from=<commandline>:0>> conf_rev=2
=== setting new values on lower prio should NOT change the final render ===
 I rc/backup_name = from_cli <<prio=800 from=<commandline>:0>> conf_rev=3
 I rc/backup_name = from_cli <<prio=800 from=<commandline>:0>> conf_rev=4
=== change prio to reorder ===
 I rc/backup_name = from_design2 <<prio=700 from=<null-design>:0>> conf_rev=5
