code: def test_train_video_model_byol(self, root_dir: str) -> None:
      with initialize_config_module(
          config_module="pytorchvideo_trainer.conf"
      ):
          create_small_kinetics_dataset(root_dir)
          # Config is relative to a module
          cfg = compose(
              config_name="byol_train_app_conf",
              overrides=[
                  f"datamodule.dataloader.train.dataset.data_path={root_dir}/train.csv",
                  f"datamodule.dataloader.val.dataset.data_path={root_dir}/val.csv",
                  f"datamodule.dataloader.test.dataset.data_path={root_dir}/val.csv",
                  f"datamodule.dataloader.train.dataset.video_path_prefix={root_dir}",
                  f"datamodule.dataloader.val.dataset.video_path_prefix={root_dir}",
                  f"datamodule.dataloader.test.dataset.video_path_prefix={root_dir}",
                  "datamodule.dataloader.train.num_workers=0",
                  "datamodule.dataloader.val.num_workers=0",
                  "datamodule.dataloader.test.num_workers=0",
                  "module.knn_memory.length=50",
                  "module.knn_memory.knn_k=2",
                  "datamodule.dataloader.train.batch_size=2",
                  "datamodule.dataloader.val.batch_size=2",
                  "datamodule.dataloader.test.batch_size=2",
                  "trainer.logger=true",
              ],
          )
          self.assertEqual(cfg.trainer.max_epochs, 1)
  
          self.train(cfg)
  
file_path: pytorchvideo/pytorchvideo_trainer/tests/test_task_module_all.py
imports: import unittest
  from typing import Any
  import hydra
  from hydra import compose, initialize_config_module
  from hydra.utils import instantiate
  from omegaconf import OmegaConf
  from pytorch_lightning import Trainer
  from pytorchvideo_trainer.datamodule.datamodule import VideoClassificationDataModuleConf
  from pytorchvideo_trainer.train_app import VideoClassificationTrainAppConf
  from util import create_small_kinetics_dataset, run_locally, tempdir
label_desc: Use image node_id 5 for calling the TestMain obj's underlying member method code with example usage: obj.test_train_video_model_byol(root_dir) without return types