def METHOD_NAME(self, fledge_url, request_params, keys):
    conn = http.client.HTTPConnection(fledge_url)
    conn.request("GET", '/fledge/statistics/history{}'.format(request_params))
    r = conn.getresponse()
    assert 200 == r.status
    r = r.read().decode()
    jdoc = json.loads(r)
    assert len(jdoc), "No data found"
    assert 15 == jdoc['interval']
    assert 1 == len(jdoc['statistics'])
    assert Counter(keys) == Counter(jdoc['statistics'][0].keys())