snapshot.close()
    val editor = snapshot.edit()!!
    editor.setString(1, "a2")
    editor.commit()
    assertValue("a", "a", "a2")
  }

  @Test
  fun editSnapshotAfterChangeAborted() {
    set("a", "a", "a")
    val snapshot = cache["a"]!!
    snapshot.close()
    val toAbort = snapshot.edit()!!
    toAbort.setString(0, "b")
    toAbort.abort()