Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /itss/home/arcelormittal/public_html/vendor/phpoffice/phpspreadsheet/tests/PhpSpreadsheetTests/Writer/Xlsx/StartsWithHashTest.php:13
Stack trace:
#0 {main}
thrown in /itss/home/arcelormittal/public_html/vendor/phpoffice/phpspreadsheet/tests/PhpSpreadsheetTests/Writer/Xlsx/StartsWithHashTest.php on line 13