Update @loomchild review

Author: wscourge

test/api/test_invoice.py

@@ -438,12 +438,9 @@ def test_retrieve_invoice(self, mock_requests):
             json=retrieveInvoiceExample,
         )
 
-        config = Config("token")  # is actually checked in mock
+        config = Config("token")
         result = Invoice.retrieve(config, uuid="inv_22910fc6-c931-48e7-ac12-90d2cb5f0059").get()
 
         self.assertEqual(mock_requests.call_count, 1, "expected call")
-
-        # Struct too complex to do 1:1 comparison
         self.assertTrue(isinstance(result, Invoice))
-
         self.assertEqual(result.uuid, "inv_22910fc6-c931-48e7-ac12-90d2cb5f0059")