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