Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\xampp\htdocs\electronica\vendor\jms\metadata\tests\Metadata\Tests\Cache\PsrCacheAdapterTest.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\jms\metadata\tests\Metadata\Tests\Cache\PsrCacheAdapterTest.php on line 12