dns: test suite fix for CI node-test-commit-aix

PR-URL: #39987
Fixes: #31566
Refs: #6307
Refs: #20710
Refs: #38099
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>

test/parallel/test-net-writable.js

@@ -6,10 +6,8 @@ const net = require('net');
 const server = net.createServer(common.mustCall(function(s) {
   server.close();
   s.end();
-})).listen(0, 'localhost', common.mustCall(function() {
-  const socket = net.connect(this.address().port, common.hasIPv6 ?
-    '::1' :
-    '127.0.0.1');
+})).listen(0, '127.0.0.1', common.mustCall(function() {
+  const socket = net.connect(this.address().port, '127.0.0.1');
   socket.on('end', common.mustCall(() => {
     assert.strictEqual(socket.writable, true);
     socket.write('hello world');

test/sequential/test-https-connect-localport.js

@@ -17,13 +17,13 @@ const assert = require('assert');
     res.end();
   }));
 
-  server.listen(0, 'localhost', common.mustCall(() => {
+  server.listen(0, '127.0.0.1', common.mustCall(() => {
     const port = server.address().port;
     const req = https.get({
       host: 'localhost',
       pathname: '/',
       port,
-      family: common.hasIPv6 ? 6 : 4,
+      family: 4,
       localPort: common.PORT,
       rejectUnauthorized: false,
     }, common.mustCall(() => {