JBZoo\PHPUnit\FormatterTest::testGetRules PHP Method

    public function testGetRules()
    {
        $val = val();
        isKey('rub', $val->getRules());
        isKey('usd', $val->getRules());
        isKey('uah', $val->getRules());
        isKey('eur', $val->getRules());
        isKey('byr', $val->getRules());
    }