public function initialize(array $parameters = array())
{
$parentInitialize = Parent::initialize($parameters);
Braintree\Configuration::reset();
Braintree\Configuration::environment($this->getTestMode());
Braintree\Configuration::merchantId($this->getMerchantId());
Braintree\Configuration::publicKey($this->getPublicKey());
Braintree\Configuration::privateKey($this->getPrivateKey());
return $parentInitialize;
}