Fatal error: Uncaught Error: Class 'WP_UnitTestCase' not found in /home/marshalltowncsd/sites/marshalltown.k12.ia.us/releases/20230829083101/web/app/plugins/ewww-image-optimizer/tests/test-options.php:13 Stack trace: #0 {main} thrown in /home/marshalltowncsd/sites/marshalltown.k12.ia.us/releases/20230829083101/web/app/plugins/ewww-image-optimizer/tests/test-options.php on line 13