Fatal error: Uncaught Error: Class 'Behat\Mink\Tests\Driver\TestCase' not found in /home/mobiledeit/www_gesmat/vendor/behat/mink-selenium2-driver/tests/Custom/WindowNameTest.php:7 Stack trace: #0 {main} thrown in /home/mobiledeit/www_gesmat/vendor/behat/mink-selenium2-driver/tests/Custom/WindowNameTest.php on line 7