@startuml
skinparam BackgroundColor F0F0F0

start
partition Initialization {
    :enforce pretest machine conditions:
    ** bluetooth turned off;
}

partition test-run {

    : set state:
     -power on;
    : get device state;

    if (power is on )
        : set state:
        -power off;
    else (no=failure)
        stop
    endif

    : get device state;
    if (power is off ) then (success)
        stop
    else (no=failure)
        stop
    endif
}
@enduml