test: do not use the same EventEmitter instance

Prevent multiple listeners for the `'error'` event to be added to the
same `EventEmitter` instance.

PR-URL: #35560
Refs: #35557 (comment)
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

test/parallel/test-stream2-readable-wrap-error.js

@@ -5,12 +5,14 @@ const assert = require('assert');
 const Readable = require('_stream_readable');
 const EE = require('events').EventEmitter;
 
-const oldStream = new EE();
-oldStream.pause = () => {};
-oldStream.resume = () => {};
+class LegacyStream extends EE {
+  pause() {}
+  resume() {}
+}
 
 {
   const err = new Error();
+  const oldStream = new LegacyStream();
   const r = new Readable({ autoDestroy: true })
     .wrap(oldStream)
     .on('error', common.mustCall(() => {
@@ -23,6 +25,7 @@ oldStream.resume = () => {};
 
 {
   const err = new Error();
+  const oldStream = new LegacyStream();
   const r = new Readable({ autoDestroy: false })
     .wrap(oldStream)
     .on('error', common.mustCall(() => {