def METHOD_NAME():
    with open(os.path.join(cur_dir, 'yaml/test-expand.yml'), encoding='utf-8') as fp:
        a = JAML.load(fp)
    b = expand_dict(a)
    assert b['quote_dict'] == {}
    assert b['quote_string'].startswith('{')
    assert b['quote_string'].endswith('}')
    assert b['nest']['quote_dict'] == {}
    assert b['nest']['quote_string'].startswith('{')
    assert b['nest']['quote_string'].endswith('}')
    assert b['exist_env'] != '$PATH'
    assert b['non_exist_env'] == '$JINA_WHATEVER_ENV'