TestCoprocessorForTags.tags = null;
increment = new Increment(row1);
increment.add(new KeyValue(row1, f, q, 1234L, v));
increment.setAttribute("visibility", Bytes.toBytes("tag2"));
table.increment(increment);
TestCoprocessorForTags.checkTagPresence = true;
scanner = table.getScanner(new Scan());
result = scanner.next();
kv = KeyValueUtil.ensureKeyValue(result.getColumnLatestCell(f, q));
tags = TestCoprocessorForTags.tags;