test: repair broken tests

toju-app/src/app/domains/plugins/feature/plugin-page-host/plugin-page-host.component.html

@@ -14,4 +14,4 @@
       <p class="mt-2 text-sm text-muted-foreground">The plugin page is not registered or the plugin is not loaded.</p>
     </section>
   }
-</main>
+</main>

toju-app/src/app/domains/server-directory/feature/server-search/server-search.component.ts

@@ -415,13 +415,11 @@ export class ServerSearchComponent implements OnInit {
           description: currentUser.description,
           profileUpdatedAt: currentUser.profileUpdatedAt
         });
-        this.webrtc.joinRoom(server.id, currentUser.oderId || currentUser.id, wsUrl);
-        this.webrtc.sendRawMessage({
+        this.webrtc.sendRawMessageToSignalUrl(wsUrl, {
           type: 'server_icon_sync_request',
           serverId: server.id,
           iconUpdatedAt: 0
         });
-        window.setTimeout(() => this.webrtc.leaveRoom(server.id), 15_000);
       } catch {
         /* discovery icons are best-effort */
       }

toju-app/src/app/infrastructure/realtime/realtime-session.service.ts

@@ -304,6 +304,11 @@ export class WebRTCService implements OnDestroy {
     this.signalingTransportHandler.sendRawMessage(message);
   }
 
+  /** Send a raw JSON payload through a specific signaling WebSocket. */
+  sendRawMessageToSignalUrl(signalUrl: string, message: Record<string, unknown>): boolean {
+    return this.signalingTransportHandler.sendRawMessageToSignalUrl(signalUrl, message);
+  }
+
   /**
    * Track the currently-active server ID (for server-scoped operations).
    *