@Test
 // http://www.doogal.co.uk/PostcodeGenerator.php
 @Parameters({"KA9 4AT", "SW4 8LL", "DA11 8AQ", "SL3 0AX", "CV6 4DZ"})
 public void shouldValidateBritishPostalCode(String postalCode) throws Exception {
   assertTrue(PostalCodes.isValid(postalCode, "GB"));
 }
 @Test
 @Parameters({"KA9-4AT", "SW 8LL", "678"})
 public void shouldInvalidateBritishPostalCode(String postalCode) throws Exception {
   assertFalse(PostalCodes.isValid(postalCode, "GB"));
 }
 @Test
 @Parameters({"71139", "10407"})
 public void shouldValidateGermanPostalCode(String postalCode) throws Exception {
   assertTrue(PostalCodes.isValid(postalCode, "DE"));
 }