Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/ninja/vendor/sabre/xml/tests/Sabre/Xml/ContextStackTest.php:12
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/sabre/xml/tests/Sabre/Xml/ContextStackTest.php on line 12