verify(mockNdrBuffer).enc_ndr_small((byte) 0x06);
        }

        @Test
        @DisplayName("Should throw exception when encoding null UUID")
        void testPolicyHandleEncodeNullUuidThrowsException() {
            // Given: A policy handle with null UUID
            rpc.policy_handle policyHandle = new rpc.policy_handle();
            policyHandle.type = 123;
            policyHandle.uuid = null;