MemoryIterator ski1 = imm.skvIterator();
mutate(imm, "r1", "foo:cq5", 3, "bar5");
SortedKeyValueIterator<Key,Value> dc = ski1.deepCopy(null);
ski1.seek(new Range(nk("r1", "foo:cq1", 3), null), LocalityGroupUtil.EMPTY_CF_SET, false);
ae(ski1, "r1", "foo:cq1", 3, "bar1");
dc.seek(new Range(nk("r1", "foo:cq2", 3), null), LocalityGroupUtil.EMPTY_CF_SET, false);