test: move common.onGC to individual module

Incrementally making `require('../common')` less of a monolith.
Move the `common.onGC()` utility to a separate standalone module
that is only imported when it's actually needed.

PR-URL: https://github.com/nodejs/node/pull/22446
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Weijia Wang <starkwang@126.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/test/parallel/test-gc-http-client-onerror.js b/test/parallel/test-gc-http-client-onerror.js
index 8842da93c3..ef643d255e 100644
--- a/test/parallel/test-gc-http-client-onerror.js
+++ b/test/parallel/test-gc-http-client-onerror.js
@@ -3,7 +3,8 @@
 // just like test-gc-http-client.js,
 // but with an on('error') handler that does nothing.
 
-const common = require('../common');
+require('../common');
+const onGC = require('../common/ongc');
 
 function serverHandler(req, res) {
   req.resume();
@@ -42,7 +43,7 @@ function getall() {
     }, cb).on('error', onerror);
 
     count++;
-    common.onGC(req, { ongc });
+    onGC(req, { ongc });
   })();
 
   setImmediate(getall);