Tools/TestWebKitAPI/Tests/WebKitCocoa/web-authentication-get-assertion-nfc-multiple-tags.html

<input type="text" id="input">
<script>
    if (window.internals) {
        internals.setMockWebAuthenticationConfiguration({ silentFailure: true, nfc: { multiplePhysicalTags:true } });
        internals.withUserGesture(() => { input.focus(); });
    }

    const options = {
        publicKey: {
            challenge: new Uint8Array(16),
            timeout: 100,
        }
    };

    navigator.credentials.get(options);
</script>