test: fix assert equal order of arguments

PR-URL: #23602
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

Author: David Jiang

test/parallel/test-net-connect-handle-econnrefused.js

@@ -31,6 +31,6 @@ server.close(common.mustCall(() => {
   const c = net.createConnection(port);
   c.on('connect', common.mustNotCall());
   c.on('error', common.mustCall((e) => {
-    assert.strictEqual('ECONNREFUSED', e.code);
+    assert.strictEqual(e.code, 'ECONNREFUSED');
   }));
 }));