add test

test/issue-3131.js

@@ -0,0 +1,43 @@
+'use strict'
+
+const { createServer } = require('node:http')
+const { EventEmitter, once } = require('node:events')
+const { request } = require('../')
+const { test } = require('node:test')
+const { closeServerAsPromise } = require('./utils/node-http')
+const { strictEqual } = require('node:assert')
+
+test('issue #3131', async (t) => {
+  const emitter = new EventEmitter()
+
+  const server = createServer((req, res) => {
+    res.end('Hi')
+  })
+
+  server.listen(0)
+
+  await once(server, 'listening')
+
+  t.after(closeServerAsPromise(server))
+
+  const url = `http://localhost:${server.address().port}`
+
+  let warningEmitted = false
+  function onWarning () {
+    warningEmitted = true
+  }
+  process.on('warning', onWarning)
+  t.after(() => {
+    process.off('warning', onWarning)
+  })
+
+  const promises = new Array(50)
+
+  for (let i = 0; i < promises.length; ++i) {
+    promises[i] = request(url, { signal: emitter })
+  }
+
+  await Promise.all(promises)
+
+  strictEqual(warningEmitted, false)
+})