Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/negocieaicom/copel.negocieai.com.br/vendor/sebastian/diff/tests/Output/AbstractChunkOutputBuilderTest.php:23 Stack trace: #0 {main} thrown in /home/negocieaicom/copel.negocieai.com.br/vendor/sebastian/diff/tests/Output/AbstractChunkOutputBuilderTest.php on line 23