From 615d680409a91bcfb68bf433c9310da265fe6f67 Mon Sep 17 00:00:00 2001
From: Brennan Benson <79079362+brennanb2025@users.noreply.github.com>
Date: Tue, 18 Aug 2026 00:59:22 -0700
Subject: [PATCH] test(browser): give the partition-fidelity registry mock both
 clear marks

---
 .../browser-cookie-import-partition-fidelity.test.ts        | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/browser/browser-cookie-import-partition-fidelity.test.ts b/src/main/browser/browser-cookie-import-partition-fidelity.test.ts
index d7c6401eb42..8b881f984a3 100644
--- a/src/main/browser/browser-cookie-import-partition-fidelity.test.ts
+++ b/src/main/browser/browser-cookie-import-partition-fidelity.test.ts
@@ -22,7 +22,11 @@ const {
 vi.mock('./browser-session-registry', () => ({
   browserSessionRegistry: {
     setPendingCookieImport: setPendingCookieImportMock,
-    clearPendingCookieImport: clearPendingCookieImportMock
+    clearPendingCookieImport: clearPendingCookieImportMock,
+    // Why: the import snapshots this mark and re-reads it before writing back, so a mock without it
+    // throws before the partition assertions this file exists to make.
+    nonTransplantableClearMark: () => 0,
+    profileCookieClearMark: () => 0
   }
 }))
 vi.mock('node:child_process', () => ({ execFileSync: execFileSyncMock }))