Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/oyaagyug/public_html/vendor/doctrine/deprecations/tests/Doctrine/Deprecations/DeprecationTest.php:21 Stack trace: #0 {main} thrown in /home/oyaagyug/public_html/vendor/doctrine/deprecations/tests/Doctrine/Deprecations/DeprecationTest.php on line 21