/**
  * @return string
  */
 protected function getMockData()
 {
     return APITest::getMockData();
 }
 /**
  * @return string
  */
 protected function getMockData()
 {
     $data = (new NodeCluster(json_decode(APITest::getMockData())))->getProviderOptions();
     return \Zend\Json\Encoder::encode($data);
 }