IteratorSetting is = new IteratorSetting(1, SimpleFilter.class);
Filter.setNegate(is, true);
filter.init(new SortedMapIterator(tm), is.getOptions(), null);
filter.seek(new Range(), EMPTY_COL_FAMS, false);
int size = size(filter);
assertTrue("size = " + size, size == 900);
filter.init(new SortedMapIterator(tm), is.getOptions(), null);
Key k = new Key(new Text("500"));