Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/nordenblock/public_html/styrocoat/vendor/helhum/config-loader/tests/Unit/ConfigurationExporterTest.php:21 Stack trace: #0 {main} thrown in /home/nordenblock/public_html/styrocoat/vendor/helhum/config-loader/tests/Unit/ConfigurationExporterTest.php on line 21