Fatal error: Uncaught Error: Class "tests\TestCase" not found in /home/blskysoftware/public_html/migration/vendor/yiisoft/yii2-composer/tests/UpgradeNotesTest.php:12 Stack trace: #0 {main} thrown in /home/blskysoftware/public_html/migration/vendor/yiisoft/yii2-composer/tests/UpgradeNotesTest.php on line 12