does the stress test passes again when listening on 127.0.0.1?

Author: lpinca

test/sequential/test-http-regr-gh-2928.js

@@ -16,10 +16,7 @@ const response = Buffer.from('HTTP/1.1 200 OK\r\n\r\n');
 function execAndClose() {
   process.stdout.write('.');
 
-  const socket = net.connect({
-    port: common.PORT,
-    autoSelectFamily: false
-  });
+  const socket = net.connect(common.PORT);
   socket.on('end', socket.end);
   socket.on('data', function(chunk) {
     process.stdout.write('+');
@@ -35,7 +32,7 @@ const server = net.createServer(function(c) {
     server.close();
   c.end(response);
   c.resume();
-}).listen(common.PORT, execAndClose);
+}).listen(common.PORT, common.localhostIPv4, execAndClose);
 
 process.on('exit', function() {
   assert.strictEqual(gotResponses, COUNT);