child1.getChildren().add(childOfChild1);
uidata.getChildren().add(child1);
// second child (should not be processed --> != UIColumn)
UIComponent child2 = new HtmlPanelGroup();
uidata.getChildren().add(child2);
VisitCallback callback = null;
IMocksControl control = EasyMock.createControl();
VisitContext visitContextMock = control.createMock(VisitContext.class);
EasyMock.expect(visitContextMock.getFacesContext()).andReturn(facesContext).anyTimes();
EasyMock.expect(visitContextMock.getHints()).andReturn(Collections.<VisitHint>emptySet()).anyTimes();