assertEquals(0x11, DcerpcConstants.RPC_PT_SHUTDOWN, "RPC_PT_SHUTDOWN should be 0x11");
        }

        @Test
        @DisplayName("RPC_PT_CANCEL should have correct value")
        void testRpcPtCancel() {
            assertEquals(0x12, DcerpcConstants.RPC_PT_CANCEL, "RPC_PT_CANCEL should be 0x12");
        }

        @Test
        @DisplayName("RPC_PT_ACK should have correct value")