Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/Xereah/public_html/pstruzik/vendor/api-platform/core/src/State/Tests/ErrorProviderTest.php:21 Stack trace: #0 {main} thrown in /home/Xereah/public_html/pstruzik/vendor/api-platform/core/src/State/Tests/ErrorProviderTest.php on line 21