bin/run/test/run_return_value_test.cmx

{
    "program": {
        "binary": "test/run_return_value_test"
    },
    "sandbox": {
        "features": [
            "shell"
        ],
        "services": [
            "fuchsia.process.Launcher",
            "fuchsia.process.Resolver",
            "fuchsia.sys.Launcher"
        ]
    }
}