* start as zeus
* place a blue force group
* (observe that a change of combat mode would work (click on flag of the group)
* place a red force group
* let meet the group
* observe that commbat mode has changed to combat
* delete one of the group
* force by zeus to set combat mode of the remaining group to something else (click on flag of group) -> it shows that new mode is selected, but if you reopen it it would stay in combat mode again (does not work)
* group would change combat mode automatically after some time