Implements hook_views_pre_render().
\Drupal\views\Tests\Plugin\CacheTest
\Drupal\views\Tests\Plugin\RenderTest
function views_test_data_views_pre_render(ViewExecutable $view) {
Drupal::state()
->set('views_hook_test_views_pre_render', TRUE);
if (isset($view) && $view->storage
->id() == 'test_cache_header_storage') {
$path = drupal_get_path('module', 'views_test_data');
$view->element['#attached']['js'][] = "{$path}/views_cache.test.js";
$view->element['#attached']['css'][] = "{$path}/views_cache.test.css";
$view->build_info['pre_render_called'] = TRUE;
}
}