code: def test_notebook(notebook_file):
      os.chdir(os.path.dirname(notebook_file))
  
      with testbook(
          os.path.basename(notebook_file), execute=True, timeout=3600
      ):
          pass
  
imports: import os
  import glob
  import pytest
  from testbook import testbook
label_desc: Use image node_id 3 for calling a global function with example usage: test_notebook(notebook_file) without return types