From 898a5aae21879bf064b2840ff2b5a264ae494f70 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Wed, 13 May 2026 09:48:41 +0100
Subject: [PATCH] test: dedupe line signature mock read

---
 extensions/line/src/signature.test.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/line/src/signature.test.ts b/extensions/line/src/signature.test.ts
index 05f40dbaf79..7fefeaae9f1 100644
--- a/extensions/line/src/signature.test.ts
+++ b/extensions/line/src/signature.test.ts
@@ -26,7 +26,7 @@ describe("validateLineSignature", () => {
     expect(validateLineSignature(body, "short", secret)).toBe(false);
     expect(spy).toHaveBeenCalledTimes(1);
 
-    const [left, right] = spy.mock.calls.at(0) ?? [];
+    const [left, right] = spy.mock.calls[0] ?? [];
     expect(left).toBeInstanceOf(Buffer);
     expect(right).toBeInstanceOf(Buffer);
     expect(left?.byteLength).toBe(right?.byteLength);