assertEquals(2, merged.getNumberOfPostings());
mergedReader.nextPosting(p);
assertEquals(2, p.getDocno());
assertEquals(3, p.getScore());
mergedReader.nextPosting(p);
assertEquals(13, p.getDocno());
assertEquals(5, p.getScore());
merged = PostingsListDocSortedPositional.create(PostingsListDocSortedPositional.merge(
postings2b, postings1b, 30).serialize());