Small test fixes.

tests/camera-manager/manager.test.ts

@@ -1271,5 +1271,22 @@ describe('CameraManager', async () => {
         middleTime,
       );
     });
+
+    it('handles null return value', async () => {
+      const api = createCardAPI();
+      const engine = mock<CameraManagerEngine>();
+      vi.mocked(api.getHASSManager().getHASS).mockReturnValue(createHASS());
+      const manager = createCameraManager(api, engine);
+
+      expect(await manager.initializeCamerasFromConfig()).toBeTruthy();
+      engine.getMediaSeekTime.mockResolvedValue(null);
+
+      const media = new TestViewMedia({
+        cameraID: 'id',
+        startTime: startTime,
+        endTime: endTime,
+      });
+      expect(await manager.getMediaSeekTime(media, middleTime)).toBeNull();
+    });
   });
 });

tests/config/profiles/low-performance.test.ts

@@ -39,6 +39,7 @@ it('low performance profile', () => {
     'menu.buttons.timeline.enabled': false,
     'menu.style': 'outside',
     'performance.features.animated_progress_indicator': false,
+    'performance.features.max_simultaneous_engine_requests': 1,
     'performance.features.media_chunk_size': 10,
     'performance.style.border_radius': false,
     'performance.style.box_shadow': false,