Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/trpdev/public_html/vendor/symfony/dependency-injection/Tests/Compiler/ResolveInstanceofConditionalsPassTest.php:22 Stack trace: #0 {main} thrown in /home/trpdev/public_html/vendor/symfony/dependency-injection/Tests/Compiler/ResolveInstanceofConditionalsPassTest.php on line 22