Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\svn\happybee\vendor\simplesoftwareio\simple-qrcode\tests\ImageMergeTest.php:7 Stack trace: #0 {main} thrown in C:\svn\happybee\vendor\simplesoftwareio\simple-qrcode\tests\ImageMergeTest.php on line 7