Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home2/t4rcom/public_html/inc/gcontrol/vendor/theseer/tokenizer/tests/XMLSerializerTest.php:9 Stack trace: #0 {main} thrown in /home2/t4rcom/public_html/inc/gcontrol/vendor/theseer/tokenizer/tests/XMLSerializerTest.php on line 9