Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Apache24\htdocs\anteriores\apifac\vendor\phar-io\manifest\tests\xml\ContainsElementTest.php:16 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\anteriores\apifac\vendor\phar-io\manifest\tests\xml\ContainsElementTest.php on line 16