From 04d6e2255383c8ff50d7198f103ad75c924014c4 Mon Sep 17 00:00:00 2001
From: Neil <4138956+nwparker@users.noreply.github.com>
Date: Sun, 23 Aug 2026 20:35:14 -0700
Subject: [PATCH] test(runtime): isolate mailbox timer assertion

---
 src/main/runtime/orca-runtime.test.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/runtime/orca-runtime.test.ts b/src/main/runtime/orca-runtime.test.ts
index 3688fec9c39..58549b0fd89 100644
--- a/src/main/runtime/orca-runtime.test.ts
+++ b/src/main/runtime/orca-runtime.test.ts
@@ -35686,6 +35686,9 @@ describe('OrcaRuntimeService', () => {
 
   it('leaves later delivery to the idle edge instead of polling a working mailbox', async () => {
     vi.useFakeTimers()
+    // Why: CI reuses Vitest workers across files. Reset their fake-clock queue so
+    // this leak assertion measures only timers allocated by the mailbox path below.
+    vi.clearAllTimers()
     try {
       const runtime = new OrcaRuntimeService(store)
       const db = new InMemoryOrchestrationMessages()