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