Fatal error: Uncaught Error: Class 'yiiunit\extensions\bootstrap5\TestCase' not found in /home/mvihurz/v4/vendor/yiisoft/yii2-bootstrap5/tests/LinkPagerTest.php:18 Stack trace: #0 {main} thrown in /home/mvihurz/v4/vendor/yiisoft/yii2-bootstrap5/tests/LinkPagerTest.php on line 18