popsu-d7/sites/all/modules/rules/tests/rules_test_invocation.module

<?php

/**
 * @file
 * Helper module for Rules invocation testing.
 */

/**
 * Implements hook_node_load().
 */
function rules_test_invocation_node_load($nodes, $types) {
  rules_invoke_event('rules_test_event');
}