From 19fb45d5503752ebf62a490cc2d2f4347ee12a3f Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Thu, 23 Jul 2026 03:28:36 -0400
Subject: [PATCH] test(plugins): await lifecycle lease child result (#112959)

---
 src/plugins/plugin-lifecycle-lease.test.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/plugin-lifecycle-lease.test.ts b/src/plugins/plugin-lifecycle-lease.test.ts
index b6f176fb5184..98931c5783c6 100644
--- a/src/plugins/plugin-lifecycle-lease.test.ts
+++ b/src/plugins/plugin-lifecycle-lease.test.ts
@@ -143,7 +143,9 @@ describe("plugin lifecycle lease", () => {
       await waitForPath(firstMarker);
       const second = runLeaseChild(childScript, ["second", ...childArgs]);
       await waitForPath(secondReady);
-      await waitForPath(secondResult);
+      // Wait for the child to close so its result write is fully flushed before
+      // reading; file existence alone can race with the write after open().
+      await second;
 
       let assertionError: unknown;
       try {