private void fillInvalidDataForClientSideAPI() {
getDriver().findElement(By.id("testForm:required")).clear();
CalendarInspector calendar = calendar("testForm:c");
calendar.selectCalendarCell(1, 6);
calendar.selectCalendarCell(2, 6);
calendar.none().mouseUp();
dateChooser("testForm:dch").field().clear();
twoListSelection("testForm:tls").removeAllButton().click();
DropDownFieldInspector dropDownField = dropDownField("testForm:ddf");