Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/idsoftwarescom/boleto.idsoftwares.com.br/vendor/guzzlehttp/guzzle/tests/InternalUtilsTest.php:8 Stack trace: #0 {main} thrown in /home/idsoftwarescom/boleto.idsoftwares.com.br/vendor/guzzlehttp/guzzle/tests/InternalUtilsTest.php on line 8