test_components_with_different_read_write_freq_on_activate is flaky

[christophfroehlich]

https://github.com/ros-controls/ros2_control/actions/runs/12646537520/job/35237408467

2025-01-07T06:55:02.6906721Z - hardware_interface_testing.ResourceManagerTestReadWriteDifferentReadWriteRate test_components_with_different_read_write_freq_on_activate (/__w/ros2_control/ros2_control/ros_ws/src/ukynxx8odxh/ros2_control/hardware_interface_testing/test/test_resource_manager.cpp:1868)
2025-01-07T06:55:02.6907771Z   <<< failure message
2025-01-07T06:55:02.6908317Z     /__w/ros2_control/ros2_control/ros_ws/src/ukynxx8odxh/ros2_control/hardware_interface_testing/test/test_resource_manager.cpp:1846
2025-01-07T06:55:02.6908875Z     Expected equality of these values:
2025-01-07T06:55:02.6909131Z       state_itfs[0].get_value()
2025-01-07T06:55:02.6909334Z         Which is: 150
2025-01-07T06:55:02.6909520Z       prev_act_state_value
2025-01-07T06:55:02.6909711Z         Which is: 155

[christophfroehlich]

https://github.com/ros-controls/ros2_control/actions/runs/12655898199/job/35267280034?pr=1979