public void testValidate() throws Exception {
HtmlPage renderedView = renderView();
HtmlAnchor htmlLink = (HtmlAnchor) renderedView.getHtmlElementById(
command.getClientId(facesContext));
htmlLink.click();
externalContext.addRequestParameterMap(spinner.getClientId(
facesContext), "wrong value");
spinner.processDecodes(facesContext);
spinner.processValidators(facesContext);