Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in D:\xampp7\htdocs\www\nbkm\show_pe\vendor\sebastian\code-unit-reverse-lookup\tests\WizardTest.php:18 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_pe\vendor\sebastian\code-unit-reverse-lookup\tests\WizardTest.php on line 18