def METHOD_NAME():
    """Get a list of the FITS files on central storage to make preview images.
    Returns
    -------
    filenames : list
        List of filepaths to FITS files
    """
    # Get the files from central store
    if not ON_GITHUB_ACTIONS and not ON_READTHEDOCS:
        filenames = glob.glob(os.path.join(get_config()['test_dir'], '*.fits'))
        assert len(filenames) > 0
        return filenames
    # Or return an empty list
    else:
        return []