test: fix expectation in test-bootstrap-modules

PR-URL: #25112
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>

test/parallel/test-bootstrap-modules.js

@@ -11,4 +11,5 @@ const list = process.moduleLoadList.slice();
 
 const assert = require('assert');
 
-assert(list.length <= 78, list);
+assert(list.length <= 81,
+       `Expected <= 81 elements in moduleLoadLists, got ${list.length}`);