Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/lidia/vendor/braintree/braintree_php/tests/SanityTest.php:3 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/braintree/braintree_php/tests/SanityTest.php on line 3