Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /srv/user/ithnet.com/movim/vendor/ratchet/rfc6455/tests/unit/Messaging/FrameTest.php:13
Stack trace:
#0 {main}
  thrown in /srv/user/ithnet.com/movim/vendor/ratchet/rfc6455/tests/unit/Messaging/FrameTest.php on line 13