Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /opt/bitnami/apache/htdocs/taxi_app/WebServices/braintree/tests/Setup.php:16 Stack trace: #0 /opt/bitnami/apache/htdocs/taxi_app/WebServices/braintree/tests/integration/HttpClientApi.php(4): require_once() #1 {main} thrown in /opt/bitnami/apache/htdocs/taxi_app/WebServices/braintree/tests/Setup.php on line 16