silverstripe-framework/tests/php/Security/MemberTest/TestPasswordValidator.php

<?php

namespace SilverStripe\Security\Tests\MemberTest;

use SilverStripe\Dev\TestOnly;
use SilverStripe\Security\PasswordValidator;

class TestPasswordValidator extends PasswordValidator implements TestOnly
{
    public function __construct()
    {
        $this->setMinLength(7);
        $this->setHistoricCount(6);
        $this->setMinTestScore(3);
        $this->setTestNames(['lowercase', 'uppercase', 'digits', 'punctuation']);
    }
}