wikiEditPage.setMinorEdit(true);
wikiEditPage.setEditComment("Fix typo in title.");
wikiEditPage.clickSaveAndContinue();
// Add objects.
ObjectEditPage objectEditPage = wikiEditPage.editObjects();
FormElement form = objectEditPage.addObject("XWiki.JavaScriptExtension");
Map<String, String> assignment = new HashMap<String, String>();
assignment.put("XWiki.JavaScriptExtension_0_name", "JavaScript code");
assignment.put("XWiki.JavaScriptExtension_0_code", "var tmp = alice;\nalice = bob;\nbob = tmp;");
assignment.put("XWiki.JavaScriptExtension_0_use", "onDemand");