Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/itscm/dev.its.cm/webserivesits/vendor/friendsofsymfony/oauth2-php/tests/ExtraHeadersTest.php:11 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/friendsofsymfony/oauth2-php/tests/ExtraHeadersTest.php on line 11