Function do_ln_circular_test_user_task

pub(crate) async fn do_ln_circular_test_user_task(
    prefix: String,
    client: ClientHandleArc,
    invite_code: Option<InviteCode>,
    oob_notes: Vec<OOBNotes>,
    test_duration: Duration,
    ln_payment_sleep: Duration,
    invoice_amount: Amount,
    strategy: LnCircularStrategy,
    event_sender: UnboundedSender<MetricEvent>,
) -> Result<()>