Warning: require_once(/tmp/wordpress-tests-lib/includes/functions.php): Failed to open stream: No such file or directory in /opt/app-root/src/wp-content/plugins/ewww-image-optimizer/tests/bootstrap.php on line 14

Fatal error: Uncaught Error: Failed opening required '/tmp/wordpress-tests-lib/includes/functions.php' (include_path='.:/opt/app-root/src:/usr/share/pear') in /opt/app-root/src/wp-content/plugins/ewww-image-optimizer/tests/bootstrap.php:14 Stack trace: #0 {main} thrown in /opt/app-root/src/wp-content/plugins/ewww-image-optimizer/tests/bootstrap.php on line 14