Tests selecting device in bluetooth device request prompt.
deviceRequestPrompted: {
    devices : [
        [0] : {
            id : <string>
            name :
        }
    ]
    id : <string>
}
selectPrompt: {
    id : <number>
    result : {
    }
    sessionId : <string>
}
navigator.bluetooth.requestDevice: {
    className : BluetoothDevice
    description : BluetoothDevice
    objectId : <string>
    type : object
}