Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/mobiledeit/www_gesmat/vendor/consolidation/site-alias/tests/SiteAliasManagerTest.php:8 Stack trace: #0 {main} thrown in /home/mobiledeit/www_gesmat/vendor/consolidation/site-alias/tests/SiteAliasManagerTest.php on line 8