Minor fixes on test instance

api/fsapi/by_artist.go

@@ -48,8 +48,12 @@ func (afs *ByArtistFilesystem) Stat(path string) (Attr, error) {
if len(p) == 3 {
return afs.getSong(p[0], p[1], p[2])
} else if len(p) < 3 {
+		name := "/"
+		if len(p) > 0 {
+			name = p[len(p)-1]
+		}
attr := Attr{
-			Name:  p[len(p)-1],
+			Name:  name,
IsDir: true,
}
return attr, nil