assertFalse(mi.hasTop());
mi.seek(new Range(nk(4, 0), false, nk(6, 0), false), EMPTY_COL_FAMS, false);
assertFalse(mi.hasTop());
mi.seek(new Range(nk(4, 0), false, nk(6, 0), true), EMPTY_COL_FAMS, false);
assertTrue(mi.hasTop());
assertTrue(mi.getTopKey().equals(nk(6, 0)));
assertTrue(mi.getTopValue().toString().equals("3"));
mi.next();
assertFalse(mi.hasTop());