@Test
 public void messageFormatFullFormatTest() {
   TransmissionException ex =
       new TransmissionException(
           "SOAP communication failed", 500, new RuntimeException("Internal server error"));
   assertEquals("SOAP communication failed; HTTP code = [500];", ex.getMessage());
 }
 @Test
 public void messageFormatCauseTest() {
   TransmissionException ex = new TransmissionException("", 0, new RuntimeException("Cause"));
   assertEquals("", ex.getMessage());
 }
 @Test
 public void messageFormatCodeTest() {
   TransmissionException ex = new TransmissionException("", 404, new RuntimeException());
   assertEquals("HTTP code = [404];", ex.getMessage());
 }