diff --git a/ui/vitest.config.ts b/ui/vitest.config.ts
index 381c37525d6f..181b6a7d1e84 100644
--- a/ui/vitest.config.ts
+++ b/ui/vitest.config.ts
@@ -99,6 +99,7 @@ const nodeDrivenBrowserLayoutTests = [
 const mockRegistryUnitTests = [
   ...uiIsolatedTestFiles.map((testFile) => testFile.slice("ui/".length)),
   "src/components/mcp-app-view.test.ts",
+  "src/pages/chat/chat-page-attachment-handoff.test.ts",
   "src/pages/chat/chat-page.test.ts",
 ] as const;
 const chromiumExecutableOverrideEnvKey = "PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH";