int operand_idx = use->getOperandNumber();
        auto execute_results = execute.GetRegionOutputs(
            device_return->getParentRegion()->getRegionNumber());
        if (operand_idx >= execute_results.size()) return nullptr;

        auto result_from_use = execute_results[operand_idx];
        if (!result_from_use.hasOneUse()) return nullptr;

        def work = builder.build()
        def cache = new ManualEvictionInMemoryCache<UnitOfWork.Identity, Try<Object>>()

        when:
        def executedResult = executeDeferred(work, cache)

        then:
        executedResult == "deferred"

        when:
        def cachedResult = executeDeferred(work, cache)

        then:
        cachedResult == "cached"
    }