def restore_env():
    """Fixture to restore the environment variables after the test.

    Yields:
        None: Placeholder for the test to run.
    """
    original_env = os.environ.copy()
    yield
    os.environ.clear()
    os.environ.update(original_env)
Fixture to restore the environment variables after the test.

    Yields:
        None: Placeholder for the test to run.
    
tests/units/test_config.py