Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/rykfgln/www/4.ta.a/tests/Atom/Component/Scheme/SchemaWrapperTest.php:14 Stack trace: #0 {main} thrown in /home/rykfgln/www/4.ta.a/tests/Atom/Component/Scheme/SchemaWrapperTest.php on line 14