http: fix failing test

PR-URL: #43641 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Filip Skokan <panva.ip@gmail.com>

Author: ShogunPanda

test/parallel/test-stream-finished.js

@@ -660,7 +660,9 @@ testClosed((opts) => new Writable({ write() {}, ...opts }));
  { method: 'GET', port: this.address().port },
  common.mustCall(function(res) {
  res.resume();
- server.close();
+ finished(res, common.mustCall(() => {
+ server.close();
+ }));
  })
  ).end();
  });