protected abstract Adapters getAdapters();
protected void verifyAST(Node node, File xmlFile)
throws FileNotFoundException, UnsupportedEncodingException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
node.visit(new DumpVisitors(outputStream));
String actual = outputStream.toString("UTF-8").trim();
InputStream inputStream = new FileInputStream(xmlFile);
Scanner scanner = new Scanner(inputStream, "UTF-8");
String expected = "";