def METHOD_NAME(topology_st):
    """
    Delete an entry cn=test_entry0
    Check it is not in the 'cn' index file
    """
    log.info("Case 1 - Check deleted entry is not in the 'cn' index file")
    uas = UserAccounts(topology_st.standalone, DEFAULT_SUFFIX)
    del_rdn = "uid=%s0" % TEST_USER
    del_entry = uas.get('%s0' % TEST_USER)
    log.info("  Deleting a test entry %s..." % del_entry)
    del_entry.delete()
    assert in_index_file(topology_st, 0, 'cn') is False
    log.info("  db2index - reindexing %s ..." % 'cn')
    topology_st.standalone.stop()
    assert topology_st.standalone.db2index(suffixes=[DEFAULT_SUFFIX], attrs=['cn'])
    topology_st.standalone.start()
    assert in_index_file(topology_st, 0, 'cn') is False
    log.info("  entry %s is not in the cn index file after reindexed." % del_rdn)
    log.info('Case 1 - PASSED')