public function testUpdateWebhookReturnsCorrectData()
 {
     $webhook = new Webhook();
     $webhook->setId('00000000-0000-0000-0000-000000000000');
     $webhook->setName('test');
     $webhook->setCallbackUrl('http://example.com');
     $this->setMockResponse($this->client, array('webhooks/updateWebhook'));
     $result = $this->client->updateWebhook($webhook);
     $this->assertInternalType('boolean', $result);
     $this->assertEquals(true, $result);
 }