Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\cloudpro.vip\vendor\gerardojbaez\money\tests\CurrencyTest.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cloudpro.vip\vendor\gerardojbaez\money\tests\CurrencyTest.php on line 6