mbed-os/TESTS/network/emac/template_mbed_app.txt

{
    "config": {
        "echo-server": {
            "help": "Build test to be echo server",
            "value": 0
        },
        "echo-server-trace": {
            "help": "Trace incoming messages on echo server",
            "value": 0
        },
        "wifi-scan": {
            "help": "Scan and list access points",
            "value": 0
        }
    },
    "target_overrides": {
        "*": {
            "nsapi.default-wifi-ssid": "\"WIFI_SSID\"",
            "nsapi.default-wifi-password": "\"WIFI_PASSWORD\"",
            "nsapi.default-wifi-security": "WIFI_SECURITY",
            "nsapi.default-stack": "TEST"
        }
    }
}