Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/gyannewsoftware/public_html/support8_whatsdesk/vendor/webklex/php-imap/tests/StructureTest.php:22 Stack trace: #0 {main} thrown in /home/gyannewsoftware/public_html/support8_whatsdesk/vendor/webklex/php-imap/tests/StructureTest.php on line 22