prgramatically mount this filesystem to some mount point
    :param mountpoint:
    :param config:
    :return:

def start_filesystem(mountpoint,
                     config=None):  # pragma: no cover
    """
    prgramatically mount this filesystem to some mount point
    :param mountpoint:
    :param config:
    :return:
    """
    if has_fuse:
        if not config:
            config = BrainStoreConfig()
        FUSE(BrainStore(config), mountpoint, foreground=True)
    else:
        raise ImportError(err_str)