Fatal error: Uncaught Error: Class "React\Tests\Dns\TestCase" not found in /usr/home/piciu1902/domains/pilaonline.ct8.pl/public_html/video/plugin/LiveChat/ratchet/react/dns/tests/Resolver/FactoryTest.php:9 Stack trace: #0 {main} thrown in /usr/home/piciu1902/domains/pilaonline.ct8.pl/public_html/video/plugin/LiveChat/ratchet/react/dns/tests/Resolver/FactoryTest.php on line 9