Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var2/www/pfip.au-html/kwidgyboo/php-chatbot-1.0.2/tests/Adapters/Laravel/PhpChatbotServiceProviderCoverageTest.php:36 Stack trace: #0 {main} thrown in /var2/www/pfip.au-html/kwidgyboo/php-chatbot-1.0.2/tests/Adapters/Laravel/PhpChatbotServiceProviderCoverageTest.php on line 36