test: fix test-dgram-udp6-link-local-address on Windows

PR-URL: #40005
Reviewed-By: Rich Trott <rtrott@gmail.com>

Author: targos

test/parallel/test-dgram-udp6-link-local-address.js

@@ -7,6 +7,8 @@ const assert = require('assert');
 constdgram=require('dgram');
 constos=require('os');
 
+const{ isWindows }=common;
+
 functionlinklocal(){
 for(const[ifname,entries]ofObject.entries(os.networkInterfaces())){
 for(const{ address, family, scopeid }ofentries){
@@ -21,7 +23,7 @@ const iface = linklocal();
 if(!iface)
 common.skip('cannot find any IPv6 interfaces with a link local address');
 
-constaddress=`${iface.address}%${iface.ifname}`;
+constaddress=isWindows ? iface.address : `${iface.address}%${iface.ifname}`;
 constmessage='Hello, local world!';
 
 // Create a client socket for sending to the link-local address.
@@ -42,7 +44,7 @@ server.on('message', common.mustCall((buf, info) => {
 // including the link local scope identifier.
 assert.strictEqual(
 info.address,
-common.isWindows ? `${iface.address}%${iface.scopeid}` : address
+isWindows ? `${iface.address}%${iface.scopeid}` : address
 );
 server.close();
 client.close();