List<RequiredFields> splitbRequiredFields = splitb.getRequiredFields();
assertTrue(splitbRequiredFields.size() == 1);
requiredField = splitbRequiredFields.get(0);
assertTrue(requiredField.needAllFields() == false);
assertTrue(requiredField.needNoFields() == false);
List<Pair<Integer, Integer>> fields = requiredField.getFields();
assertTrue(fields.size() == 1);
assertTrue(fields.get(0).first == 0);
assertTrue(fields.get(0).second == 0);