Fatal error: Uncaught Error: Class "Psy\Test\TestCase" not found in C:\xampp\htdocs\r10ca\vendor\psy\psysh\test\Reflection\ReflectionClassConstantTest.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10ca\vendor\psy\psysh\test\Reflection\ReflectionClassConstantTest.php on line 16