Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\AppServ\www\greenhess-storage\vendor\braintree\braintree_php\tests\SanityTest.php:3 Stack trace: #0 {main} thrown in C:\AppServ\www\greenhess-storage\vendor\braintree\braintree_php\tests\SanityTest.php on line 3