Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/iplanay/wp-content/plugins/blockart-blocks/vendor/halaxa/json-machine/test/JsonMachineTest/ItemsOptionsTest.php:15 Stack trace: #0 {main} thrown in /var/www/html/iplanay/wp-content/plugins/blockart-blocks/vendor/halaxa/json-machine/test/JsonMachineTest/ItemsOptionsTest.php on line 15