Using static lifetime for the DispatchHandle is no-go for unit tests which...

Using static lifetime for the DispatchHandle is no-go for unit tests which shares the same memory space

examples/local/src/net/dispatch.rs

 use tokio::sync::{mpsc, oneshot};
-use std::{collections::HashMap, sync::LazyLock};
-
-/// We use a static dispatch handle which other actors can freely clone and use.
-pub static DISPATCHER: LazyLock<DispatchHandle> = LazyLock::new(DispatchHandle::new);
+use std::collections::HashMap;
 
 /// The buffer size of the channel used to communicate with the dispatch actor.
 const ACTOR_MESSAGE_BUFFER: usize = 1024;