src/sys/tools/run/test/meta/run_tests.cmx

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