test,tools: enable running tests under workers

Enable running tests inside workers by passing `--worker`
to `tools/test.py`. A number of tests are marked as skipped,
or have been slightly altered to fit the different environment.

PR-URL: https://github.com/nodejs/node/pull/20876
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: John-David Dalton <john.david.dalton@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>

1 files changed, 9 insertions, 0 deletions

diff --git a/test/parallel/test-timers-immediate-unref-nested-once.js b/test/parallel/test-timers-immediate-unref-nested-once.js
new file mode 100644
index 0000000000..00efce9bcb
--- /dev/null
+++ b/test/parallel/test-timers-immediate-unref-nested-once.js
@@ -0,0 +1,9 @@
+'use strict';
+
+const common = require('../common');
+
+// This immediate should not execute as it was unrefed
+// and nothing else is keeping the event loop alive
+setImmediate(() => {
+  setImmediate(common.mustNotCall()).unref();
+});