Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\PHP\APPS\dev\aictec_license_web\vendor\simplesoftwareio\simple-qrcode\tests\GeneratorTest.php:16 Stack trace: #0 {main} thrown in C:\PHP\APPS\dev\aictec_license_web\vendor\simplesoftwareio\simple-qrcode\tests\GeneratorTest.php on line 16