if (!empty($triggering_element['#test_button'])) {
$row_index = $triggering_element['#row_index'];
$view_args = !empty($this->view->args) ? implode(', ', $this->view->args) : $this->t('no arguments');
if (!empty($triggering_element['#test_button'])) {
$row_index = $triggering_element['#row_index'];
$view_args = !empty($this->view->args) ? implode(', ', $this->view->args) : $this->t('no arguments');