test: remove common.PORT from test-net-timeout

Switch test-net-timeout from common.PORT to a port assigned by the operating system. PR-URL: #31749 Reviewed-By: Denys Otrishko <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]>

Author: Trott

test/pummel/test-net-timeout.js

@@ -20,7 +20,7 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 'use strict';
-constcommon=require('../common');
+require('../common');
 constassert=require('assert');
 constnet=require('net');
 
@@ -54,10 +54,11 @@ const echo_server = net.createServer((socket) =>{
 });
 });
 
-echo_server.listen(common.PORT,()=>{
-console.log(`server listening at ${common.PORT}`);
+echo_server.listen(0,()=>{
+constport=echo_server.address().port;
+console.log(`server listening at ${port}`);
 
-constclient=net.createConnection(common.PORT);
+constclient=net.createConnection(port);
 client.setEncoding('UTF8');
 client.setTimeout(0);// Disable the timeout for client
 client.on('connect',()=>{