def METHOD_NAME(self):
    """Verify with an HTTP request that an OK response is received from ElasticSearch.
    Returns:
        boolean: A boolean with True if the request response is OK.
    """
    try:
        res = requests.get("http://localhost:9200/_cluster/health")
        if res.status_code == 200:
            return True
    except (ConnectionRefusedError, urllib3.exceptions.NewConnectionError, urllib3.exceptions.MaxRetryError,
            requests.exceptions.ConnectionError):
        raise QAValueError(f"Could not connect with ElasticSearch.", IndexData.LOGGER.error) from None