def METHOD_NAME(self, start_south_coap, fledge_url, wait_time):
    # Allow CoAP listener to start
    time.sleep(wait_time)
    # ingest one reading via fogbench
    subprocess.run(["cd $FLEDGE_ROOT/extras/python; python3 -m fogbench -t ../../data/{}; cd -"
                   .format(TEMPLATE_NAME)], shell=True, check=True)
    # Let the readings to be Ingressed
    time.sleep(wait_time)
    # verify stats
    conn = http.client.HTTPConnection(fledge_url)
    conn.request("GET", '/fledge/statistics')
    r = conn.getresponse()
    assert 200 == r.status
    r = r.read().decode()
    jdoc = json.loads(r)
    assert len(jdoc), "No data found"
    stats = utils.serialize_stats_map(jdoc)
    assert 1 == stats[ASSET_NAME.upper()]
    assert 1 == stats['READINGS']
    # Allow stats collector schedule to run i.e. by default 15s
    time.sleep(wait_time * 2 + 1)
    # check stats history
    conn.request("GET", '/fledge/statistics/history')
    r = conn.getresponse()
    assert 200 == r.status
    r = r.read().decode()
    jdoc = json.loads(r)
    assert len(jdoc), "No data found"
    stats_history = jdoc['statistics']
    # READINGS & ASSET_NAME keys and verify no duplicate entry found with value 1
    read = [r['READINGS'] for r in stats_history]
    assert 1 in read
    assert 1 == read.count(1)
    # print(stats_history)
    asset_stats_history = [a for a in stats_history if ASSET_NAME.upper() in a.keys()]
    assert any(ash[ASSET_NAME.upper()] == 1 for ash in asset_stats_history), "Failed to find statistics history " \
                                                                             "record for " + ASSET_NAME.upper()
    # verify stats history by READINGS key only
    conn.request("GET", '/fledge/statistics/history?key={}'.format('READINGS'))
    r = conn.getresponse()
    assert 200 == r.status
    r = r.read().decode()
    jdoc = json.loads(r)
    assert len(jdoc), "No data found"
    read = [r['READINGS'] for r in jdoc['statistics']]
    assert 1 in read
    assert 1 == read.count(1)
    # verify stats history by ASSET_NAME key only
    conn.request("GET", '/fledge/statistics/history?key={}'.format(ASSET_NAME.upper()))
    r = conn.getresponse()
    assert 200 == r.status
    r = r.read().decode()
    jdoc = json.loads(r)
    assert len(jdoc), "No data found"
    asset = [a[ASSET_NAME.upper()] for a in jdoc['statistics']]
    assert 1 in asset
    assert 1 == asset.count(1)