test: reduce unmanaged parallelism in domain test

The original test lauches 10 child processes at once
and bypass `test.py`'s process regulation.
This PR reduces the unmanaged parallelism and is a
temporary workaround for #9979 (not a real fix).

PR-URL: https://github.com/nodejs/node/pull/10329
Reviewed-By: Anna Henningsen <anna@addaleax.net>

1 files changed, 27 insertions, 0 deletions

diff --git a/test/parallel/test-domain-no-error-handler-abort-on-uncaught-9.js b/test/parallel/test-domain-no-error-handler-abort-on-uncaught-9.js
new file mode 100644
index 0000000000..a4eebd50e9
--- /dev/null
+++ b/test/parallel/test-domain-no-error-handler-abort-on-uncaught-9.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const common = require('../common');
+const domain = require('domain');
+
+function test() {
+  const d = domain.create();
+  const d2 = domain.create();
+
+  d.on('error', function errorHandler() {
+  });
+
+  d.run(function() {
+    d2.run(function() {
+      var fs = require('fs');
+      fs.exists('/non/existing/file', function onExists() {
+        throw new Error('boom!');
+      });
+    });
+  });
+}
+
+if (process.argv[2] === 'child') {
+  test();
+} else {
+  common.childShouldThrowAndAbort();
+}