Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\laragon\www\pos\vendor\kwn\number-to-words\tests\Grammar\Inflector\PolishInflectorTest.php:8 Stack trace: #0 {main} thrown in C:\laragon\www\pos\vendor\kwn\number-to-words\tests\Grammar\Inflector\PolishInflectorTest.php on line 8