fix tests

src/settings/DeveloperSettingsTab.test.tsx

@@ -7,9 +7,9 @@ Please see LICENSE in the repository root for full details.
 
 import { describe, expect, it, vi } from "vitest";
 import { render, waitFor } from "@testing-library/react";
+import { type Room as LivekitRoom } from "livekit-client";
 
 import type { MatrixClient } from "matrix-js-sdk";
-import type { Room as LivekitRoom } from "livekit-client";
 import { DeveloperSettingsTab } from "./DeveloperSettingsTab";
 
 // Mock url params hook to avoid environment-dependent snapshot churn.
@@ -30,6 +30,8 @@ function createMockLivekitRoom(
     serverInfo,
     metadata,
     engine: { client: { ws: { url: wsUrl } } },
+    localParticipant: { identity: "localParticipantIdentity" },
+    remoteParticipants: new Map(),
   } as unknown as LivekitRoom;
 
   return {
@@ -69,6 +71,8 @@ describe("DeveloperSettingsTab", () => {
         isLocal: false,
         url: "wss://remote-sfu.example.org",
         room: {
+          localParticipant: { identity: "localParticipantIdentity" },
+          remoteParticipants: new Map(),
           serverInfo: { region: "remote", version: "4.5.6" },
           metadata: "remote-metadata",
           engine: { client: { ws: { url: "wss://remote-sfu.example.org" } } },