assertTrue(termAtt.term() + " is not equal to " + "again",
termAtt.term().equals("again") == true);
assertTrue(posIncrAtt.getPositionIncrement() + " does not equal: " + 1, posIncrAtt.getPositionIncrement() == 1);
assertTrue(tf.incrementToken());
assertTrue(termAtt.term() + " is not equal to " + "a",
termAtt.term().equals("a") == true);
assertTrue(posIncrAtt.getPositionIncrement() + " does not equal: " + 1, posIncrAtt.getPositionIncrement() == 1);
assertTrue(tf.incrementToken());
assertTrue(termAtt.term() + " is not equal to " + "b",