message_notify-8.x-1.x-dev/tests/modules/message_notify_test/message_notify_test.module

<?php

/**
 * @file
 * Test module for Message notify.
 */

/**
 * Implements hook_ctools_plugin_directory().
 */
function message_notify_test_ctools_plugin_directory($module, $plugin) {
  if ($module == 'message_notify') {
    return 'plugins/' . $plugin;
  }
}