code: def test_pretrain_config(self, override):
      logger.warning(f"Loading {override}")
      return hydra_compose(overrides=[override])
  
imports: import logging
  import unittest
  from hydra.errors import ConfigCompositionException, HydraException
  from utils import BENCHMARK_CONFIGS, INTEGRATION_TEST_CONFIGS, PRETRAIN_CONFIGS, SSLHydraConfig
  from vissl.utils.hydra_config import convert_to_attrdict, hydra_compose
  from vissl.utils.test_utils import parameterized_parallel
label_desc: Use image node_id 1 for calling the TestPretrainConfigs obj's underlying member method code with example usage: obj.test_pretrain_config(override) and returns: hydra_compose