Get standard menu link.
private function getStandardMenuLink() {
$mlid = 0;
// Retrieve menu link id of the Log out menu link, which will always be on
// the front page.
$query = \Drupal::entityQuery('menu_link')
->condition('module', 'system')
->condition('router_path', 'user/logout');
$result = $query
->execute();
if (!empty($result)) {
$mlid = reset($result);
}
$this
->assertTrue($mlid > 0, 'Standard menu link id was found');
// Load menu link.
// Use api function so that link is translated for rendering.
$item = entity_load('menu_link', $mlid);
$this
->assertTrue((bool) $item, 'Standard menu link was loaded');
return $item;
}