creator.setString(1, "DE")
    creator.commit()
    cache.flush()
    filesystem.copy(journalFile, journalBkpFile)
    creator = cache.edit("k2")!!
    creator.setString(0, "F")
    creator.setString(1, "GH")
    creator.commit()
    cache.close()
    assertThat(filesystem.exists(journalFile)).isTrue()
    assertThat(filesystem.exists(journalBkpFile)).isTrue()
    createNewCache()
    val snapshotA = cache["k1"]!!