Fatal error: Uncaught Error: Class 'Magento\SampleData\Test\Unit\Console\Command\AbstractSampleDataCommandTest' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-sample-data/Test/Unit/Console/Command/SampleDataDeployCommandTest.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-sample-data/Test/Unit/Console/Command/SampleDataDeployCommandTest.php on line 18