Fatal error: Uncaught Error: Class "yii\test\DbFixture" not found in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/test/BaseActiveFixture.php:22 Stack trace: #0 {main} thrown in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/test/BaseActiveFixture.php on line 22