test: fix path in doctool/test-doctool-json

PR-URL: https://github.com/nodejs/node/pull/19287
Refs: https://github.com/nodejs/node/pull/17820
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

test/doctool/test-doctool-json.js

@@ -1,9 +1,9 @@
 'use strict';
 
 const common = require('../common');
-// The doctool currently uses js-yaml from the tool/eslint/ tree.
+// The doctool currently uses js-yaml from the tool/node_modules/eslint/ tree.
 try {
-  require('../../tools/eslint/node_modules/js-yaml');
+  require('../../tools/node_modules/eslint/node_modules/js-yaml');
 } catch (e) {
   common.skip('missing js-yaml (eslint not present)');
 }