message.result = 0;
            assertNull(message.getResult());
        }

        @Test
        @DisplayName("getResult should return DcerpcException for non-zero result")
        void testGetResultError() {
            message.result = 123; // Example error code
            DcerpcException exception = message.getResult();
            assertNotNull(exception);
            assertEquals(123, exception.getErrorCode());