class_docstr: Positional dropping used in MSN (https://arxiv.org/pdf/2204.07141.pdf)
code: def test_pretraining(self) -> None:
      config = self.pretraining_config()
      with in_temporary_directory():
          result = run_integration_test(config)
          print(result.get_losses())
  
file_path: vissl/tests/test_msn.py
imports: import unittest
  import torch
  from vissl.models import build_model
  from vissl.utils.hydra_config import compose_hydra_configuration, convert_to_attrdict
  from vissl.utils.test_utils import gpu_test, in_temporary_directory, run_integration_test
label_desc: Use image node_id 3 for calling the TestMSN obj's underlying member method code with example usage: obj.test_pretraining() without return types