code: def test_timeseries_forecasting_exprt(self):
      nb, errors = _notebook_run(
          "notebooks/advanced/05 Timeseries Forecasting (multiple ids).ipynb",
          default_timeout,
      )
      self.assertEqual(errors, [])
  
imports: import os
  import subprocess
  import tempfile
  from unittest import TestCase
  import nbformat
  import pytest
label_desc: Use image node_id 6 for calling the NotebooksTestCase obj's underlying member method code with example usage: obj.test_timeseries_forecasting_exprt() without return types