code: def test_datasets(self):
      args = argparse.Namespace(download=False)
      Main().action_datasets(args)
  
file_path: MONAILabel/tests/unit/test_main.py
imports: import argparse
  import os
  import shutil
  import unittest
  from monailabel.main import Main
label_desc: Use image node_id 5 for calling the MyTestCase obj's underlying member method code with example usage: obj.test_datasets() without return types