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: multireader.rs
    path of file: ./repos/surrealdb/core/src/kvs/tests
    
    the code of the file until where you have to start completion: #[tokio::test]
#[serial]
async fn multireader() {
	// Create a new datastore
	let node_id = Uuid::parse_str("b7afc077-2123-476f-bee0-43d7504f1e0a").unwrap();
	let clock = Arc::new(SizedClock::Fake(FakeClock::new(
    
async fn multireader() {
	// Create a new datastore
	let node_id = Uuid::parse_str("b7afc077-2123-476f-bee0-43d7504f1e0a").unwrap();
	let clock = Arc::new(SizedClock::Fake(FakeClock::new(Timestamp::default())));
	let (ds, _) = new_ds(node_id, clock).await;
	// Insert an initial key
	let mut tx = ds.transaction(Write, Optimistic).await.unwrap();
	tx.set("test", "some text").await.unwrap();
	tx.commit().await.unwrap();
	// Create a readonly transaction
	let mut tx1 = ds.transaction(Read, Optimistic).await.unwrap();
	let val = tx1.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"some text");
	// Create a readonly transaction
	let mut tx2 = ds.transaction(Read, Optimistic).await.unwrap();
	let val = tx2.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"some text");
	// Create a readonly transaction
	let mut tx3 = ds.transaction(Read, Optimistic).await.unwrap();
	let val = tx3.get("test").await.unwrap().unwrap();
	assert_eq!(val, b"some text");
	// Cancel both readonly transactions
	tx1.cancel().await.unwrap();
	tx2.cancel().await.unwrap();
	tx3.cancel().await.unwrap();
}