def METHOD_NAME():
    """
    Make sure the trainer setup handles no configs provided at all.
    """
    brain_name = "testbrain"
    no_default_config = RunOptions().behaviors
    # Pretend this was created without a YAML file
    no_default_config.set_config_specified(False)
    trainer_factory = TrainerFactory(
        trainer_config=no_default_config,
        output_path="output_path",
        train_model=True,
        load_model=False,
        seed=42,
        param_manager=EnvironmentParameterManager(),
    )
    trainer_factory.generate(brain_name)