bank transaction validation

src/test/java/hs/fulda/de/ci/exam/project/PaymentTest.java

@@ -34,5 +34,15 @@ public class PaymentTest {
         assertEquals(Failed, credit_card_payment.status);
     }
 
+    @Test
+    public void paymentShould_not_be_possible_if_iban_is_wrong(){
+        BankTransaction bank_payment = new BankTransaction(11, "139€", Unpaid, "Sparkasse Fulda", "DE012");
+        FlightReservation reservation = new FlightReservation();
+        reservation.makePayment(bank_payment);
+        assertEquals(ReservationStatus.Cancelled, reservation.getStatus());
+        assertEquals(Failed, bank_payment.status);
+    }
+
+
 
 }