Merge "floss: mgmt: Fix unused variable warning" into main

#[cfg(test)]

mod tests {

    use super::Alarm;

    use std::time::{Duration, Instant};

    use std::time::Duration;

    #[test]

    fn alarm_cancel_after_expired() {

        // Otherwise it's still ready and select! won't work.

        let runtime = tokio::runtime::Runtime::new().unwrap();

        runtime.block_on(async {

            let timer = Instant::now();

            let alarm = Alarm::new();

            alarm.reset(Duration::from_millis(10));

            alarm.expired().await;