Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Xampp\www\0050467\ims-mobile\vendor_\symfony\translation\Test\ProviderFactoryTestCase.php:32 Stack trace: #0 {main} thrown in C:\Xampp\www\0050467\ims-mobile\vendor_\symfony\translation\Test\ProviderFactoryTestCase.php on line 32