Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/joar/public_html/adm.jma.arq.br/vendor/sebastian/diff/tests/ChunkTest.php:18 Stack trace: #0 {main} thrown in /home/joar/public_html/adm.jma.arq.br/vendor/sebastian/diff/tests/ChunkTest.php on line 18