test: add trailing commas in test/node-api

PR-URL: https://github.com/nodejs/node/pull/46384
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/node-api/test_callback_scope/test-async-hooks.js

@@ -31,7 +31,7 @@ async_hooks.createHook({
   after: common.mustCall((id) => {
     assert.strictEqual(id, expectedId);
     insideHook = false;
-  })
+  }),
 }).enable();
 
 runInCallbackScope(expectedResource, expectedResourceType, () => {