assertEquals(rootCause, ex3.getCause());
    }

    @Test
    @DisplayName("Should verify error message lookup for known fault codes")
    void testErrorMessageLookup() {
        // Test message lookup using DcerpcException's static method
        String msg1 = DcerpcException.getMessageByDcerpcError(DcerpcError.DCERPC_FAULT_OTHER);
        assertEquals("DCERPC_FAULT_OTHER", msg1);