def METHOD_NAME(duthost, value):
    """
    Ensures application of the JSON patch config update by verifying field value presence in FLEX COUNTER DB
    Args:
        duthost: DUT host object
        value: expected value of POLL_INTERVAL
    """
    def _confirm_value_in_flex_counter_db():
        poll_interval = duthost.shell(
            'sonic-db-cli PFC_WD_DB hget FLEX_COUNTER_GROUP_TABLE:PFC_WD POLL_INTERVAL')["stdout"]
        return value == poll_interval
    pytest_assert(
        wait_until(READ_FLEXCOUNTER_DB_TIMEOUT, READ_FLEXCOUNTER_DB_INTERVAL, 0, _confirm_value_in_flex_counter_db),
        "FLEX COUNTER DB does not properly reflect newly POLL_INTERVAL expected value: {}".format(value)
    )