benchmark: added a test benchmark for worker

Wrote a sequential benchmark test for worker.
This is to make sure the benchmark for work runs properly.

PR-URL: https://github.com/nodejs/node/pull/23475


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>