Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/prod/vendor/himiklab/yii2-recaptcha-widget/tests/ReCaptchaValidatorTest.php:9 Stack trace: #0 {main} thrown in /var/www/html/prod/vendor/himiklab/yii2-recaptcha-widget/tests/ReCaptchaValidatorTest.php on line 9