🌿 use promiseState instead deadline

session_test.ts

@@ -5,10 +5,7 @@ import {
   assertRejects,
   assertThrows,
 } from "https://deno.land/std@0.210.0/assert/mod.ts";
-import {
-  deadline,
-  DeadlineError,
-} from "https://deno.land/std@0.210.0/async/mod.ts";
+import { promiseState } from "https://deno.land/x/async@v2.1.0/state.ts";
 import {
   Channel,
   channel,
@@ -224,12 +221,10 @@ Deno.test("Session.wait", async (t) => {
       session.start();
 
       const waiter = session.wait();
-      await assertRejects(
-        () => deadline(waiter, 100),
-        DeadlineError,
-      );
+      assertEquals(await promiseState(waiter), "pending");
+      // Process all messages
       guard.resolve();
-      await deadline(waiter, 100);
+      assertEquals(await promiseState(waiter), "fulfilled");
     },
   );
 
@@ -295,13 +290,10 @@ Deno.test("Session.shutdown", async (t) => {
       session.start();
       await session.send(["redraw", ""]);
       const shutdown = session.shutdown();
-      await assertRejects(
-        () => deadline(shutdown, 100),
-        DeadlineError,
-      );
+      assertEquals(await promiseState(shutdown), "pending");
       // Process all messages
       guard.resolve();
-      await deadline(shutdown, 100);
+      assertEquals(await promiseState(shutdown), "fulfilled");
     },
   );
 });
@@ -350,7 +342,7 @@ Deno.test("Session.forceShutdown", async (t) => {
       session.start();
       session.send(["redraw", ""]); // Do NOT await
       const shutdown = session.forceShutdown();
-      await deadline(shutdown, 100);
+      assertEquals(await promiseState(shutdown), "fulfilled");
     },
   );
 });