public function testCreateMailingListReturnsCorrectData()
 {
     $mailingList = new MailingList();
     $mailingList->setName('test');
     $this->setMockResponse($this->client, array('mailing-lists/createMailingList'));
     $result = $this->client->createMailingList($mailingList);
     $this->assertInstanceOf('\\Mgrt\\Model\\MailingList', $result);
 }