Fatal error: Uncaught ReflectionException: Class "PHPUnit\Framework\TestCase" does not exist in C:\laragon\www\session\vendor\symfony\form\Test\Traits\RunTestTrait.php:16 Stack trace: #0 C:\laragon\www\session\vendor\symfony\form\Test\Traits\RunTestTrait.php(16): ReflectionMethod->__construct('PHPUnit\\Framewo...', 'runTest') #1 {main} thrown in C:\laragon\www\session\vendor\symfony\form\Test\Traits\RunTestTrait.php on line 16