Warning: Class "Facebook\WebDriver\WebDriverKeys" not found in C:\xampp\htdocs\moodle\lib\behat\classes\behat_session_trait.php on line 44

Fatal error: Uncaught Error: Class "Behat\MinkExtension\Context\RawMinkContext" not found in C:\xampp\htdocs\moodle\lib\behat\behat_base.php:52 Stack trace: #0 C:\xampp\htdocs\moodle\lib\behat\behat_deprecated_base.php(19): require_once() #1 C:\xampp\htdocs\moodle\question\bank\comment\tests\behat\behat_qbank_comment_deprecated.php(17): require_once('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\moodle\lib\behat\behat_base.php on line 52