From 0bc250382f78525a8972ca709206ea193bb9ab30 Mon Sep 17 00:00:00 2001
From: Shakker <shakkerdroid@gmail.com>
Date: Mon, 11 May 2026 00:06:08 +0100
Subject: [PATCH] test: tighten mattermost retry error assertion

---
 extensions/mattermost/src/mattermost/client.retry.test.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/extensions/mattermost/src/mattermost/client.retry.test.ts b/extensions/mattermost/src/mattermost/client.retry.test.ts
index 19b937d18b9..d8324f3491f 100644
--- a/extensions/mattermost/src/mattermost/client.retry.test.ts
+++ b/extensions/mattermost/src/mattermost/client.retry.test.ts
@@ -97,7 +97,10 @@ describe("createMattermostDirectChannelWithRetry", () => {
     expect(retryCall?.[0]).toBe(1);
     expect(retryCall?.[1]).toBeGreaterThanOrEqual(10);
     expect(retryCall?.[1]).toBeLessThanOrEqual(20);
-    expect(retryCall?.[2]).toMatchObject({ message: expect.stringContaining("429") });
+    expect(retryCall?.[2]).toBeInstanceOf(Error);
+    expect((retryCall?.[2] as Error | undefined)?.message).toBe(
+      "Mattermost API 429 undefined: Too many requests",
+    );
   });
 
   it("retries on port 443 connection errors (not misclassified as 4xx)", async () => {