function save()
 {
     if ($this->getFieldsetDataValue('active')) {
         $merchantId = $this->getFieldsetDataValue("merchant_id");
         Litle_CreditCard_Model_ValidateMerchantId::validate($merchantId);
     }
     return parent::save();
 }
 /**
  * @dataProvider providerBaseCurrencyNotInMap
  */
 public function testBaseCurrencyNotInMap($input)
 {
     $this->setExpectedException('Mage_Core_Exception', 'Please Make sure that the Base Currency: USD is in the Merchant ID Array');
     Litle_CreditCard_Model_ValidateMerchantId::validate($input);
 }