Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/demoinvfsanz/public_html/vendor/egulias/email-validator/tests/EmailValidator/Validation/RFCValidationDomainPartTest.php:34 Stack trace: #0 {main} thrown in /home/demoinvfsanz/public_html/vendor/egulias/email-validator/tests/EmailValidator/Validation/RFCValidationDomainPartTest.php on line 34