From 336d8f30ba609b4df9d2c42736c6b420ee6c2ac1 Mon Sep 17 00:00:00 2001
From: Sergey Matyunin <s.matyunin@justbusiness.site>
Date: Tue, 8 Sep 2026 19:30:18 +0300
Subject: [PATCH] test: allow inert summary style in lost-space smoke (#437)

Issue: #437
User-Visible: no
---
 demo/smoke_danger_confirm_branches.mjs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/demo/smoke_danger_confirm_branches.mjs b/demo/smoke_danger_confirm_branches.mjs
index 3a9955e8..c7e56fec 100644
--- a/demo/smoke_danger_confirm_branches.mjs
+++ b/demo/smoke_danger_confirm_branches.mjs
@@ -299,7 +299,11 @@ const out = await page.evaluate(async () => {
   card.requestUpdate();
   await settle();
   const spaceLossDecision = await boundedDangerDecision(pendingAtSpaceLoss);
-  result.lostSpaceBranchIsActuallyEntered = root().childElementCount === 0;
+  // The summary runtime may keep its inert lazy stylesheet in the shadow root
+  // after render() returns `nothing`; it is not a decision or content surface.
+  const lostSpaceContent = [...root().children]
+    .filter((element) => !element.matches('style[data-hp-summary]'));
+  result.lostSpaceBranchIsActuallyEntered = lostSpaceContent.length === 0;
   result.openConfirmCancelsWhenSpaceIsLost = spaceLossDecision.settled
     && spaceLossDecision.value === false
     && card._dangerConfirm === null && card._dangerConfirmController.state === null;