lesserFilters.add(rowFilter);
ArrayList<RowAliasFilter> greaterFilters = new ArrayList<RowAliasFilter>();
greaterFilters.add(rowFilter1);
RangeFilters rangeFilters = new RangeFilters(lesserFilters, greaterFilters);
Scan scan = new Scan();
exec.setRangeScan(scan, mapping, rangeFilters);
assertTrue(Bytes.equals(scan.getStartRow(), Bytes.toBytes("start")));