code: def test_multiple_sources(self):
      super().test_multiple_sources(should_match=False)
  
imports: from __future__ import annotations
  import os
  import unittest
  import torch
  import monai.transforms
  from monai.data.dataloader import DataLoader
  from monai.data.video_dataset import CameraDataset, VideoDataset, VideoFileDataset
  from monai.utils.module import optional_import
  from tests.utils import assert_allclose, download_url_or_skip_test, testing_data_config
label_desc: Use image node_id 1 for calling the TestCameraDataset obj's underlying member method code with example usage: obj.test_multiple_sources() without return types