public function testDeleteMailingListReturnsCorrectData()
{
$mailingList = new MailingList();
$mailingList->setId(1);
$this->setMockResponse($this->client, array('mailing-lists/deleteMailingList'));
$result = $this->client->deleteMailingList($mailingList);
$this->assertInternalType('boolean', $result);
$this->assertEquals(true, $result);
}