/** * Assign Test Value. * * @param string $fieldName * @param array $fieldDef * @param int $counter */ protected function assignTestValue($fieldName, &$fieldDef, $counter) { if ($fieldName == 'children' || $fieldName == 'parents') { $this->{$fieldName} = "NULL"; } else { parent::assignTestValues($fieldName, $fieldDef, $counter); } }