Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /users/maximus/www/storage/vendor/braintree/braintree_php/tests/SanityTest.php:3 Stack trace: #0 {main} thrown in /users/maximus/www/storage/vendor/braintree/braintree_php/tests/SanityTest.php on line 3