public function testListWebhooksReturnsCorrectData()
 {
     $this->setMockResponse($this->client, array('webhooks/listWebhooks'));
     $webhooks = $this->client->getWebhooks();
     $this->assertInstanceOf('\\Mgrt\\Model\\ResultCollection', $webhooks);
     $this->assertEquals($webhooks->count(), 2);
     foreach ($webhooks as $webhook) {
         $this->assertInstanceOf('\\Mgrt\\Model\\Webhook', $webhook);
     }
 }