Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/lidia/vendor/league/oauth1-client/tests/PlainTextSignatureTest.php:25 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/league/oauth1-client/tests/PlainTextSignatureTest.php on line 25