private AnnotationDescription annotationDescription;
private TokenStream tokenStream;
@Before
public void setUp(){
tokenizer = new Tokenizer();
annotationDescription = new AnnotationDescription(null);
Collection<Token> tokens = new ArrayList<Token>();
tokens.add(new Token("token1".toCharArray(),0,6,0,6));
tokens.add(new Token("token2".toCharArray(),0,6,7,13));
tokens.add(new Token("token3".toCharArray(),0,6,14,20));