Reaching «Disarming in AUTO keeps the plane's place» failed

Start

From the setup of Flying a mission.

Given the game clock is off
  And the link is connected
  And the vehicle is armed
  And the autopilot mode is AUTO
  And the map tool is pan
  And the plan has 3 items
  And the plan altitude is 40 m
  And the last plan item is WAYPOINT
  And the takeoff is not planned
  And the vehicle mission is up to date
  And the home position is set
  And the waypoints are unchecked
  And the mission file is missing
  And the measured distance is hidden
  And the vehicle's current item is 1
  And the plane is flying the mission

couldn't arrange the autopilot mode is AUTO: the AUTO mode didn't happen within 30 s

• the game clock is off · arranged
• the link is connected · arranged
• the vehicle is armed · arranged
• the autopilot mode is AUTO · arranged
• the map tool is pan · arranged
• the plan has 3 items · arranged
• the plan altitude is 40 m · arranged
• the last plan item is WAYPOINT · arranged
• the takeoff is not planned · arranged
• the vehicle mission is up to date · arranged
• the home position is set · arranged
• the waypoints are unchecked · arranged
• the mission file is missing · arranged
• the measured distance is hidden · arranged
• the vehicle's current item is 1 · arranged
• the plane is flying the mission · arranged

1 When the operator disarms the vehicle

When the operator disarms the vehicle

Expected behaviour: Disarming in AUTO keeps the plane's place, DISARM disarms.

• the vehicle's current item is 1 · Disarming in AUTO keeps the plane's place
• the vehicle is disarmed · DISARM disarms