  @Test
  public void retrieveEntriesFromJournalBkp() throws Exception {

    mJournalFile.delete();
    FileWriter writer = new FileWriter(mJournalBkpFile);
    writer.write("DIRTY k1\nCLEAN k1 12\n");
    writer.close();
    LinkedHashMap<String, Entry> entries = mJournal.retrieveEntriesFromJournal();
    assertThat(entries.size()).isEqualTo(1);
    assertThat(entries.get("k1")).isNotEqualTo(null);
    assertThat(entries.get("k1").isReadable());
  }