Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/firewirenet/public_html/inventario/vendor/laravolt/avatar/tests/InitialsGeneratorTest.php:7 Stack trace: #0 {main} thrown in /home/firewirenet/public_html/inventario/vendor/laravolt/avatar/tests/InitialsGeneratorTest.php on line 7