fix: address review comments

- Remove unused beforeEach/mock imports in rename-overwrite test
- Add assertion that group 2 tasks executed in run-groups test

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: zkochan

rename-overwrite/test.js

@@ -1,7 +1,7 @@
 'use strict'
 const fs = require('fs')
 const path = require('path')
-const { test, describe, beforeEach, mock } = require('node:test')
+const { test, describe } = require('node:test')
 const assert = require('node:assert')
 const writeJsonFile = require('write-json-file')
 const loadJsonFile = require('load-json-file')

run-groups/test/index.ts

@@ -27,4 +27,5 @@ test('runGroups()', async () => {
       },
     ]
   ])
+  assert.ok(group2Executed)
 })