[CI] unload_on_kill is flaky

[christophfroehlich]

https://github.com/ros-controls/ros2_control/actions/runs/13426453596/job/37510199536
#1760

   9: [ RUN      ] TestLoadController.unload_on_kill
  9: [INFO] [1740019269.402854704] [test_controller_manager]: Subscribing to '/robot_description' topic for robot description.
  9: [INFO] [1740019269.403456319] [test_controller_manager]: Received robot description from topic.
  9: [INFO] [1740019269.406167080] [ResourceManager.resource_manager]: Loading hardware 'TestActuatorHardware' 
  9: [INFO] [1740019269.406380239] [ResourceManager.resource_manager]: Loaded hardware 'TestActuatorHardware' from plugin 'test_actuator'
  9: [INFO] [1740019269.406439600] [ResourceManager.resource_manager]: Initialize hardware 'TestActuatorHardware' 
  9: [INFO] [1740019269.406514851] [ResourceManager.resource_manager]: Successful initialization of hardware 'TestActuatorHardware'
  9: [INFO] [1740019269.406643401] [ResourceManager.resource_manager]: Loading hardware 'TestSensorHardware' 
  9: [INFO] [1740019269.406846872] [ResourceManager.resource_manager]: Loaded hardware 'TestSensorHardware' from plugin 'test_sensor'
  9: [INFO] [1740019269.406915199] [ResourceManager.resource_manager]: Initialize hardware 'TestSensorHardware' 
  9: [INFO] [1740019269.406975051] [ResourceManager.resource_manager]: Successful initialization of hardware 'TestSensorHardware'
  9: [INFO] [1740019269.407050182] [ResourceManager.resource_manager]: Loading hardware 'TestSystemHardware' 
  9: [INFO] [1740019269.407240768] [ResourceManager.resource_manager]: Loaded hardware 'TestSystemHardware' from plugin 'test_system'
  9: [INFO] [1740019269.407290662] [ResourceManager.resource_manager]: Initialize hardware 'TestSystemHardware' 
  9: [INFO] [1740019269.407388204] [ResourceManager.resource_manager]: Successful initialization of hardware 'TestSystemHardware'
  9: [INFO] [1740019269.407689327] [resource_manager]: 'configure' hardware 'TestSystemHardware' 
  9: [INFO] [1740019269.407707090] [resource_manager]: Successful 'configure' of hardware 'TestSystemHardware'
  9: [INFO] [1740019269.407722910] [resource_manager]: 'activate' hardware 'TestSystemHardware' 
  9: [INFO] [1740019269.407729953] [resource_manager]: Successful 'activate' of hardware 'TestSystemHardware'
  9: [INFO] [1740019269.407742787] [resource_manager]: 'configure' hardware 'TestSensorHardware' 
  9: [INFO] [1740019269.407750011] [resource_manager]: Successful 'configure' of hardware 'TestSensorHardware'
  9: [INFO] [1740019269.407758156] [resource_manager]: 'activate' hardware 'TestSensorHardware' 
  9: [INFO] [1740019269.407765169] [resource_manager]: Successful 'activate' of hardware 'TestSensorHardware'
  9: [INFO] [1740019269.407775569] [resource_manager]: 'configure' hardware 'TestActuatorHardware' 
  9: [INFO] [1740019269.407782943] [resource_manager]: Successful 'configure' of hardware 'TestActuatorHardware'
  9: [INFO] [1740019269.407793853] [resource_manager]: 'activate' hardware 'TestActuatorHardware' 
  9: [INFO] [1740019269.407800646] [resource_manager]: Successful 'activate' of hardware 'TestActuatorHardware'
  9: [INFO] [1740019269.407812548] [test_controller_manager]: Resource Manager has been successfully initialized. Starting Controller Manager services...
  9: [INFO] [1740019270.217407794] [test_controller_manager]: Loading controller : 'ctrl_3' of type 'controller_manager/test_controller'
  9: [INFO] [1740019270.217462376] [test_controller_manager]: Loading controller 'ctrl_3'
  9: [INFO] [1740019270.217899303] [test_controller_manager]: Controller 'ctrl_3' node arguments: 
  9: [INFO] [1740019270.254379341] [spawner_ctrl_3]: Loaded ctrl_3
  9: [INFO] [1740019270.255773276] [test_controller_manager]: Configuring controller: 'ctrl_3'
  9: [INFO] [1740019270.259054880] [test_controller_manager]: Activating controllers: [ ctrl_3 ]
  9: [INFO] [1740019270.269000991] [spawner_ctrl_3]: Configured and activated ctrl_3
  9: [INFO] [1740019270.270066504] [spawner_ctrl_3]: Waiting until interrupt to unload controllers
  9: /home/runner/work/ros2_control/ros2_control/.work/target_ws/src/ros2_control/controller_manager/test/test_spawner_unspawner.cpp:555: Failure
  9: Expected equality of these values:
  9:   cm_->get_loaded_controllers().size()
  9:     Which is: 1
  9:   0ul
  9:     Which is: 0
  9: 
  9: [INFO] [1740019274.976068140] [test_controller_manager.pal_statistics]: Async messages lost 0
  9: [INFO] [1740019274.976104288] [test_controller_manager.pal_statistics]: publish_async_failures_ 2
  9: [  FAILED  ] TestLoadController.unload_on_kill (5590 ms)

logs_34627624201.zip

[christophfroehlich]

#2095