mbed-os/TESTS/network/emac/mbed_lib.json

{
    "name": "network-emac",
    "config": {
        "NO_SUPPORT_FOR_MULTICAST_FILTER": false,
        "NO_SUPPORT_FOR_IPV4_MULTICAST_FILTER": false
    },
    "target_overrides": {
        "WIO_EMW3166": {
            "NO_SUPPORT_FOR_IPV4_MULTICAST_FILTER": true
        }
    }
}