Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\emc3\Apache24\htdocs\EMC3\BAL\RTFHTMLPHP\tests\FontFamilyTest.php:7 Stack trace: #0 {main} thrown in C:\emc3\Apache24\htdocs\EMC3\BAL\RTFHTMLPHP\tests\FontFamilyTest.php on line 7