test: add test for async disposable worker thread

Author: jasnell

test/parallel/test-worker-dispose.mjs

@@ -0,0 +1,10 @@
+import * as common from '../common/index.mjs';
+import { Worker } from 'node:worker_threads';
+
+let w;
+{
+ // Verifies that the worker is async disposable
+ await using worker = new Worker('for(;;) {}', { eval: true });
+ w = worker;
+ w.on('exit', common.mustCall());
+}