bin/mediaplayer/meta/mediaplayer_test_util.cmx

{
    "program": {
        "binary": "bin/app"
    },
    "sandbox": {
        "features": [
            "persistent-storage",
            "system-temp"
        ],
        "services": [
            "fuchsia.mediaplayer.Player",
            "fuchsia.ui.viewsv1.ViewManager",
            "fuchsia.ui.scenic.Scenic"
        ]
    }
}