You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: leader-election.rs
    path of file: ./repos/kube-leader-election/tests
    
    the code of the file until where you have to start completion: mod utils;

use crate::utils::KubeTestUtil;
use kube_leader_election::{LeaseLock, LeaseLockParams};
use std::time::Duration;

#[tokio::test]
async fn leader_election() -> anyhow::Result<()> {
    const NAMESPACE: &str = "leader-election";
    const LEASE_NAME: &str = "leader-election-test";
    const HOLDER_ID_01: &str = "leader-election-test-holder01";
    const HOLDER_ID_02: &str = "leader-election-test-holder02";

    KubeTestUtil::create_namespace(NAMESPACE)?;
    KubeTestUtil::delete_lease(NAMESPACE, LEASE_NAME)?;

    let client = kube::Client::try_default().await?;

    let leadership_01 = LeaseLock::new(
        client.clone(),
        NAMESPACE,
        LeaseLockParams {
            holder_id: HOLDER_ID_01.into(),
            lease_name: LEASE_NAME.into(),
            lease_ttl: Duration::from_secs(15),
        },
    );
    leadership_01.try_acquire_or_renew().await?;

    // HOLDER_ID_01 is now leading, so HOLDER_ID_02 should follow

    let leadership_02 = LeaseLock::new(
        client.clone(),
        NAMESPACE,
        LeaseLockParams {
            holder_id: HOLDER_ID_02.into(),
            lease_name: LEASE_NAME.into(),
            lease_ttl: Duration::from_secs(15),
        },
    );
    let 
    
async fn leader_election() -> anyhow::Result<()> {
    const NAMESPACE: &str = "leader-election";
    const LEASE_NAME: &str = "leader-election-test";
    const HOLDER_ID_01: &str = "leader-election-test-holder01";
    const HOLDER_ID_02: &str = "leader-election-test-holder02";

    KubeTestUtil::create_namespace(NAMESPACE)?;
    KubeTestUtil::delete_lease(NAMESPACE, LEASE_NAME)?;

    let client = kube::Client::try_default().await?;

    let leadership_01 = LeaseLock::new(
        client.clone(),
        NAMESPACE,
        LeaseLockParams {
            holder_id: HOLDER_ID_01.into(),
            lease_name: LEASE_NAME.into(),
            lease_ttl: Duration::from_secs(15),
        },
    );
    leadership_01.try_acquire_or_renew().await?;

    // HOLDER_ID_01 is now leading, so HOLDER_ID_02 should follow

    let leadership_02 = LeaseLock::new(
        client.clone(),
        NAMESPACE,
        LeaseLockParams {
            holder_id: HOLDER_ID_02.into(),
            lease_name: LEASE_NAME.into(),
            lease_ttl: Duration::from_secs(15),
        },
    );
    let res = leadership_02.try_acquire_or_renew().await?;
    assert_eq!(false, res.acquired_lease);

    // now HOLDER_ID_01 will release the lock

    leadership_01.step_down().await?;

    // since the new lease ttl is 1 second, we should be able to acquire it if we wait 2s
    tokio::time::sleep(Duration::from_secs(2)).await;

    let res = leadership_02.try_acquire_or_renew().await?;
    assert!(res.acquired_lease);

    KubeTestUtil::delete_namespace(NAMESPACE)?;

    Ok(())
}