Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /usr/home/piciu1902/domains/pilaonline.ct8.pl/public_html/youtube/plugin/LiveChat/ratchet/symfony/http-foundation/Tests/RequestStackTest.php:18
Stack trace:
#0 {main}
  thrown in /usr/home/piciu1902/domains/pilaonline.ct8.pl/public_html/youtube/plugin/LiveChat/ratchet/symfony/http-foundation/Tests/RequestStackTest.php on line 18