Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/login-server/vendor/doctrine/instantiator/tests/DoctrineTest/InstantiatorTest/Exception/InvalidArgumentExceptionTest.php:33 Stack trace: #0 {main} thrown in /var/www/html/login-server/vendor/doctrine/instantiator/tests/DoctrineTest/InstantiatorTest/Exception/InvalidArgumentExceptionTest.php on line 33