document.newRootElement("html");
DocumentLinkerImpl linker = new DocumentLinkerImpl(true, "1.2.3", true);
linker.addStylesheetLink(new StylesheetLink("whatever.css"));
linker.addStylesheetLink(new StylesheetLink("insertion-point.css", new StylesheetOptions().asAjaxInsertionPoint()));
linker.updateDocument(document);
assertEquals(document.toString(), readFile("stylesheet_insertion_point.txt"));