zircon/system/utest/stdio/stdio-test.cmx

{
    "include": [
        "//sdk/lib/diagnostics/syslog/client.shard.cmx"
    ],
    "program": {
        "binary": "test/stdio-test"
    },
    "sandbox": {
        "features": [
            "isolated-temp",
            "shell-commands"
        ],
        "services": [
            "fuchsia.process.Launcher"
        ]
    }
}