From e94d0e3e1ed1a125e40ee94e16654525b89c4d4b Mon Sep 17 00:00:00 2001
From: Matteo Collina <hello@matteocollina.com>
Date: Fri, 18 Sep 2026 17:17:32 +0200
Subject: [PATCH] test: restore Promise before flushing rejections

---
 test/host-functions.test.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/test/host-functions.test.js b/test/host-functions.test.js
index e455a5d..9186a65 100644
--- a/test/host-functions.test.js
+++ b/test/host-functions.test.js
@@ -411,7 +411,12 @@ test('frozen host promises fail closed under constructor poisoning', async (t) =
     lifetimeTimeoutMs: 5_000
   })
   await session.ready
-  await assert.rejects(session.request('value'), /Host function failed/)
+  try {
+    await assert.rejects(session.request('value'), /Host function failed/)
+  } finally {
+    // Do not create the flush promise while Promise.prototype is still poisoned.
+    restore()
+  }
   await new Promise(resolve => setImmediate(resolve))
   assert.deepEqual(unhandled, [])
   await session.terminate()