refactor: Overhaul nodes-testing setup - Part 2 (no-changelog) (#14873)

packages/nodes-base/test/globalSetup.ts

@@ -2,4 +2,8 @@ import nock from 'nock';
 
 export default async () => {
 	nock.disableNetConnect();
+
+	nock.emitter.on('no match', (req) => {
+		console.error('No mock for network request: ', req);
+	});
 };