Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\Proyectos\Conciliaciones\Composer\vendor\maennchen\zipstream-php\test\BigintTest.php:10 Stack trace: #0 {main} thrown in D:\Proyectos\Conciliaciones\Composer\vendor\maennchen\zipstream-php\test\BigintTest.php on line 10