test: #3613188 Optimize DefaultConfigTest

      $this->markTestSkipped("The $type '$name' is deprecated.");

    }

    // System and user are required in order to be able to install some of the

    // other modules. Therefore they are put into static::$modules, which though

    // doesn't install config files, so import those config files explicitly. Do

    // this for all tests in case optional configuration depends on it.

    $this->installConfig(['system', 'user']);

    $extension_path = \Drupal::service('extension.path.resolver')->getPath($type, $name) . '/';

    $extension_config_storage = new FileStorage($extension_path . InstallStorage::CONFIG_INSTALL_DIRECTORY, StorageInterface::DEFAULT_COLLECTION);

    $optional_config_storage = new FileStorage($extension_path . InstallStorage::CONFIG_OPTIONAL_DIRECTORY, StorageInterface::DEFAULT_COLLECTION);

    if (empty($optional_config_storage->listAll()) && empty($extension_config_storage->listAll())) {

      $this->markTestSkipped("$name has no configuration to test");

    }

    // System and user are required in order to be able to install some of the

    // other modules. Therefore they are put into static::$modules, which though

    // doesn't install config files, so import those config files explicitly. Do

    // this for all tests in case optional configuration depends on it.

    $this->installConfig(['system', 'user']);

    // Work out any additional modules and themes that need installing to create

    // an optional config.

    $modules_to_install = $type !== 'theme' ? [$name] : [];