format test lines

Author: AlexandrosMor

test/CheckoutTest.py

@@ -98,4 +98,4 @@ def test_payments_result_success_mocked(self):
                                                             "-success.json")
         result = self.ady.checkout.payment_result(request)
         self.assertEqual("8535253563623704", result.message['pspReference'])
-        self.assertEqual("Authorised", result.message['resultCode'])
+        self.assertEqual("Authorised", result.message['resultCode'])