code: def test_init_datastores(self, r):
      if not self.app:
          return
  
      try:
          settings.MONAI_LABEL_DATASTORE = r
          self.app.init_remote_datastore()
      except:
          pass
      finally:
          settings.MONAI_LABEL_DATASTORE = ""
  
file_path: MONAILabel/tests/unit/interfaces/test_app.py
imports: import os
  import unittest
  import torch
  from parameterized import parameterized
  from monailabel.config import settings
  from monailabel.interfaces.app import MONAILabelApp
  from monailabel.interfaces.tasks.batch_infer import BatchInferImageType
  from monailabel.interfaces.utils.app import app_instance
label_desc: Use image node_id 7 for calling the TestApp obj's underlying member method code with example usage: obj.test_init_datastores(r) without return types