assertFailsWith<IllegalArgumentException> {
      cache.edit("my\rkey")
    }
  }

  @ParameterizedTest
  @ArgumentsSource(FileSystemParamProvider::class)
  fun createNewEntryWithTooFewValuesFails(parameters: Pair<FileSystem, Boolean>) {
    setUp(parameters.first, parameters.second)
    val creator = cache.edit("k1")!!
    creator.setString(1, "A")
    assertFailsWith<IllegalStateException> {