function media_test_filter_preprocess_media_embed_error in Drupal 8

Implements hook_preprocess_HOOK().

File

core/modules/media/tests/modules/media_test_filter/media_test_filter.module, line 30

Helper module for the Media Embed filter tests.

Code

function media_test_filter_preprocess_media_embed_error(&$variables) {
  $variables['attributes']['class'][] = 'this-error-message-is-themeable';
}