From a200dbbe0671fccb1bcf690e99529f91f7c7cc28 Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Sun, 29 Oct 2017 19:44:49 -0700
Subject: [PATCH] test: fix flaky test-async-wrap-uncaughtexception

It's possible for `beforeExit` to be emitted more than once if work is
scheduled by its listeners. Accommodate this fact in the test.

Fixes: https://github.com/nodejs/node/issues/16210
---
 test/parallel/test-async-wrap-uncaughtexception.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/parallel/test-async-wrap-uncaughtexception.js b/test/parallel/test-async-wrap-uncaughtexception.js
index 9427e2fb787a9b..a1398decf845eb 100644
--- a/test/parallel/test-async-wrap-uncaughtexception.js
+++ b/test/parallel/test-async-wrap-uncaughtexception.js
@@ -33,7 +33,7 @@ hooks = async_hooks.createHook({
 }).enable();
 
 
-process.on('uncaughtException', common.mustCall(() => {
+process.once('uncaughtException', common.mustCall(() => {
   assert.strictEqual(call_id, async_hooks.executionAsyncId());
   call_log[2]++;
 }));