def copy1 = storeAndLoad(block1)
        def copy2 = storeAndLoad(block2)

        read(copy2) == "test 2"
        read(copy1) == "test 1"
    }

    def "can persist block address and read block later"() {
        expect:
        def block1 = write("test 1")
        def block2 = write("test 2")

        def copy1 = storeAndLoad(block1)
        def copy2 = storeAndLoad(block2)