Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/luxurytr/public_html/lt8/vendor/mundschenk-at/php-typography/tests/class-strings-test.php:35 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/mundschenk-at/php-typography/tests/class-strings-test.php on line 35