Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/marketbg/public_html/oferta.testmarketbg.com/vendor/fidry/cpu-core-counter/tests/CpuCoreCounterTest.php:31 Stack trace: #0 {main} thrown in /home/marketbg/public_html/oferta.testmarketbg.com/vendor/fidry/cpu-core-counter/tests/CpuCoreCounterTest.php on line 31