Reset peer's receive timeout when a message is received

* Make advance_clock more realistic by waking timers in order,
  instead of all at once.
* Don't advance the clock when simulating random delays.

Co-Authored-By: Keith Simmons <keith@zed.dev>
Co-Authored-By: Nathan Sobo <nathan@zed.dev>

crates/server/src/rpc.rs

@@ -2732,8 +2732,6 @@ mod tests {
             .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
             .await;
 
-        eprintln!("sharing");
-
         project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
 
         // Join the worktree as client B.