Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\perfmatters\vendor\matthiasmullie\minify\tests\CompatTestCase.php:11 Stack trace: #0 {main} thrown in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\perfmatters\vendor\matthiasmullie\minify\tests\CompatTestCase.php on line 11