Fatal error: Uncaught Error: Class 'WP_UnitTestCase' not found in /var/www/html/wp-content/plugins/loco-translate/src/test/WordPressTestCase.php:5 Stack trace: #0 {main} thrown in /var/www/html/wp-content/plugins/loco-translate/src/test/WordPressTestCase.php on line 5