Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /itss/home/arcelormittal/public_html/vendor/phpoffice/phpspreadsheet/tests/PhpSpreadsheetTests/Reader/Xlsx/DefaultFontTest.php:8
Stack trace:
#0 {main}
thrown in /itss/home/arcelormittal/public_html/vendor/phpoffice/phpspreadsheet/tests/PhpSpreadsheetTests/Reader/Xlsx/DefaultFontTest.php on line 8