Fatal error: Uncaught Error: Class 'PHPUnit_Extensions_Database_TestCase' not found in /home/mpolsk5/public_html/seocomo/craft/vendor/creocoder/yii2-nested-sets/tests/DatabaseTestCase.php:15
Stack trace:
#0 {main}
thrown in /home/mpolsk5/public_html/seocomo/craft/vendor/creocoder/yii2-nested-sets/tests/DatabaseTestCase.php on line 15