public void deselect(String label, boolean ignoreDeselectable) {
        if (!ignoreDeselectable && !isUnselectable()) {
            return;
        }

        if (!isSelected(label)) {
            return;
        }

        for (WebElement element : getOptions()) {
            if (element.getText().equalsIgnoreCase(label)) {
                click(element);
                return;
            }
        }
    }
Component wrapper for the PrimeFaces {@code p:selectOneButton}.
primefaces-selenium/primefaces-selenium-components/src/main/java/org/primefaces/selenium/component/SelectOneButton.java