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>

test/sequential/test-benchmark-worker.js

@@ -0,0 +1,23 @@
+'use strict';
+
+const common = require('../common');
+
+if (!common.enoughTestMem)
+  common.skip('Insufficient memory for Worker benchmark test');
+
+// Because the worker benchmarks can run on different threads,
+// this should be in sequential rather than parallel to make sure
+// it does not conflict with tests that choose random available ports.
+
+const runBenchmark = require('../common/benchmark');
+
+runBenchmark('worker',
+             [
+               'n=1',
+               'sendsPerBroadcast=1',
+               'workers=1',
+               'payload=string'
+             ],
+             {
+               NODEJS_BENCHMARK_ZERO_ALLOWED: 1
+             });