Fatal error: Uncaught Error: Class "Doctrine\Tests\DoctrineTestCase" not found in C:\xampp\htdocs\r10ca\vendor\doctrine\cache\tests\Doctrine\Tests\Common\Cache\CacheTest.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10ca\vendor\doctrine\cache\tests\Doctrine\Tests\Common\Cache\CacheTest.php on line 21