ConstraintGroupHelper groupHelper = new ConstraintGroupHelper();
testForm.getElement("myDateTime").setConstraint(groupHelper.createGroupedConstraint(new NotEmptyConstraint(), "active"));
MockUiLibUtil.emulateHandleRequest(testForm, "testForm", request);
assertFalse("Test form must be invalid after reading from request", testForm.convertAndValidate());
}
/**
* Test reading from request with a grouped constraint set, date is invalid.
*/