Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/gyannewsoftware/public_html/support8_whatsdesk/vendor/webklex/php-imap/tests/ImapProtocolTest.php:20 Stack trace: #0 {main} thrown in /home/gyannewsoftware/public_html/support8_whatsdesk/vendor/webklex/php-imap/tests/ImapProtocolTest.php on line 20