Error: Nock: No match for request : <p>I am receiving following error</p>

<pre><code>{ error: 
   { Error: Nock: No match for request {
     "method": "GET",
     "url": "http://localhost:3000/admin/orders/30075889/transactions.json",
     "headers": {
       "content-type": "application/json",
       "host": "localhost:3000"
     }
   } Got instead {
     "method": "GET",
     "url": "http://localhost:3000/admin/orders/30075889/transactions.json",
     "headers": {
       "content-type": "application/json",
       "host": "localhost:3000"
     }
   }
</code></pre>

<p>The url is as expected, not sure what's wrong, any pointer?</p>
