Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /mnt/VenusReview/review/lyrasoft/dva/master/vendor/facebook/graph-sdk/tests/Authentication/OAuth2ClientTest.php:30 Stack trace: #0 {main} thrown in /mnt/VenusReview/review/lyrasoft/dva/master/vendor/facebook/graph-sdk/tests/Authentication/OAuth2ClientTest.php on line 30