garnet/bin/run_test_component/meta/run_test_component_unittests.cmx

{
    "program": {
        "binary": "test/run_test_component_unittests"
    },
    "sandbox": {
        "features": [
            "system-temp"
        ],
        "services": [
            "fuchsia.sys.Launcher"
        ]
    }
}