public void setDate(LocalDateTime dateTime) {
        long millis = dateTime.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli();
        setDate(millis);
    }
Widget API call to set date to this LocalDateTime.

@param dateTime the LocalDateTime to set to
primefaces-selenium/primefaces-selenium-components/src/main/java/org/primefaces/selenium/component/DatePicker.java