Fatal error: Uncaught Error: Class "Symfony\Component\Cache\Tests\Adapter\AdapterTestCase" not found in /home/trpdev/public_html/vendor/symfony/cache/Tests/Adapter/MemcachedAdapterTest.php:17 Stack trace: #0 {main} thrown in /home/trpdev/public_html/vendor/symfony/cache/Tests/Adapter/MemcachedAdapterTest.php on line 17