Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\xampp\htdocs\electronica\vendor\liuggio\ExcelBundle\Tests\FactoryTest.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\liuggio\ExcelBundle\Tests\FactoryTest.php on line 7