Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ollire5/public_html/ollid10/vendor/phpoffice/phppresentation/tests/PhpPresentation/Tests/Reader/SerializedTest.php:34 Stack trace: #0 {main} thrown in /home/ollire5/public_html/ollid10/vendor/phpoffice/phppresentation/tests/PhpPresentation/Tests/Reader/SerializedTest.php on line 34