assertFalse(message.isFlagSet(DcerpcConstants.RPC_C_PF_IDEMPOTENT));
        }

        @Test
        @DisplayName("unsetFlag should remove specified flags")
        void testUnsetFlag() {
            // Test unsetting an existing flag
            message.flags = DcerpcConstants.RPC_C_PF_BROADCAST | DcerpcConstants.RPC_C_PF_NO_FRAGMENT;
            message.unsetFlag(DcerpcConstants.RPC_C_PF_BROADCAST);