Fatal error: Uncaught ReflectionException: Class PHPUnit\Framework\TestCase does not exist in C:\SistemasPHP\ccp\vendor\symfony\form\Test\ForwardCompatTestTrait.php:18 Stack trace: #0 C:\SistemasPHP\ccp\vendor\symfony\form\Test\ForwardCompatTestTrait.php(18): ReflectionMethod->__construct() #1 {main} thrown in C:\SistemasPHP\ccp\vendor\symfony\form\Test\ForwardCompatTestTrait.php on line 18