Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\giorgiosironi\eris\examples\StringTest.php:14 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\giorgiosironi\eris\examples\StringTest.php on line 14