Fatal error: Uncaught Error: Class "Yajra\DataTables\Tests\TestCase" not found in C:\xampp\htdocs\r10ca\vendor\yajra\laravel-datatables-oracle\tests\Integration\CollectionDataTableTest.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10ca\vendor\yajra\laravel-datatables-oracle\tests\Integration\CollectionDataTableTest.php on line 13