fun openCreatesDirectoryIfNecessary(parameters: Pair<FileSystem, Boolean>) {
    setUp(parameters.first, parameters.second)
    cache.close()
    val dir = (cacheDir / "testOpenCreatesDirectoryIfNecessary").also { filesystem.createDirectories(it) }
    cache =
      DiskLruCache(filesystem, dir, appVersion, 2, Int.MAX_VALUE.toLong(), taskRunner).also {
        toClose.add(it)
      }