function updateCreditCardViaTr($regularParams, $trParams)
 {
     $trData = Braintree_TransparentRedirect::updateCreditCardData(array_merge($trParams, array("redirectUrl" => "http://www.example.com")));
     return Braintree_TestHelper::submitTrRequest(Braintree_CreditCard::updateCreditCardUrl(), $regularParams, $trData);
 }