public function testResubscribeContactReturnsCorrectData()
 {
     $contact = new Contact();
     $contact->setId(1);
     $this->setMockResponse($this->client, array('contacts/resubscribeContact'));
     $result = $this->client->resubscribeContact($contact);
     $this->assertInternalType('boolean', $result);
     $this->assertEquals(true, $result);
 }