Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/up.tantal-metall.com/yii_up/vendor/sebastian/global-state/tests/SnapshotTest.php:22 Stack trace: #0 {main} thrown in /var/www/up.tantal-metall.com/yii_up/vendor/sebastian/global-state/tests/SnapshotTest.php on line 22