Overrides Drupal\views\Tests\ViewTestBase::viewsData().
Overrides ViewUnitTestBase::viewsData
protected function viewsData() {
$data = parent::viewsData();
$data['views_test_data']['job']['field']['id'] = 'test_field';
$data['views_test_data']['job']['field']['click sortable'] = FALSE;
$data['views_test_data']['id']['field']['click sortable'] = TRUE;
return $data;
}