add test file
add test file

peetahzee/Unofficial-Google-Music-API,simon-weber/gmusicapi,dvirtz/gmusicapi,simon-weber/Unofficial-Google-Music-API,jimyx17/gmusic,tanhaiwang/gmusicapi,TheOpenDevProject/gmusicapi,dvirtz/gmusicapi,thebigmunch/gmusicapi,nvbn/Unofficial-Google-Music-API