From 5c0636888c7b8686fca671a48718c7cf11ef252f Mon Sep 17 00:00:00 2001
From: Yoshiya Hinosawa <stibium121@gmail.com>
Date: Wed, 8 Dec 2021 02:50:35 +0900
Subject: [PATCH] fix(ext/timers): fix flakiness of
 `httpConnAutoCloseDelayedOnUpgrade` test (#13017)

---
 cli/tests/unit/http_test.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cli/tests/unit/http_test.ts b/cli/tests/unit/http_test.ts
index 7cf62c0466..a52ea3cc71 100644
--- a/cli/tests/unit/http_test.ts
+++ b/cli/tests/unit/http_test.ts
@@ -1055,12 +1055,16 @@ Deno.test(
 
       const { socket, response } = Deno.upgradeWebSocket(event1.request);
       socket.onmessage = (event) => socket.send(event.data);
+      const socketClosed = new Promise<void>((resolve) => {
+        socket.onclose = () => resolve();
+      });
       event1.respondWith(response);
 
       const event2 = await event2Promise;
       assertStrictEquals(event2, null);
 
       listener.close();
+      await socketClosed;
     }
 
     async function client() {