src/connectivity/lib/network-device/meta/cpp-test.cmx

{
    "facets": {
        "fuchsia.test": {
            "injected-services": {
                "fuchsia.net.tun.Control": "fuchsia-pkg://fuchsia.com/network-tun#meta/network-tun.cmx"
            }
        }
    },
    "include": [
        "sdk/lib/diagnostics/syslog/client.shard.cmx"
    ],
    "program": {
        "binary": "test/cpp-test"
    },
    "sandbox": {
        "services": [
            "fuchsia.net.tun.Control"
        ]
    }
}