test: fix test http upload timeout

Author: theanarkh

test/pummel/test-http-upload-timeout.js

@@ -30,12 +30,14 @@ let connections = 0;
 
 server.on('request', function(req, res) {
   req.socket.setTimeout(1000);
-  req.socket.on('timeout', function() {
+  const ontimeout = function() {
     throw new Error('Unexpected timeout');
-  });
+  };
+  req.socket.on('timeout', ontimeout);
   req.on('end', function() {
     connections--;
     res.writeHead(200);
+    req.socket.off('timeout', ontimeout);
     res.end('done\n');
     if (connections === 0) {
       server.close();
@@ -57,7 +59,8 @@ server.listen(0, function() {
 
       function ping() {
         const nextPing = (Math.random() * 900).toFixed();
-        if (nextPing > 600) {
+        // Do not set too big to prevent req.socket from emitting timeout
+        if (nextPing > 300) {
           request.end();
           return;
         }