Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /nfs/aesop1/hw00/d88/ecc/wordpress/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/cedaro/wp-plugin/tests/AbstractPluginTest.php:4 Stack trace: #0 {main} thrown in /nfs/aesop1/hw00/d88/ecc/wordpress/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/cedaro/wp-plugin/tests/AbstractPluginTest.php on line 4