endpoints.add(DrillbitEndpoint.newBuilder().setAddress(HOST_L).setControlPort(1234).build());
endpoints.add(DrillbitEndpoint.newBuilder().setAddress(HOST_M).setControlPort(1234).build());
HBaseGroupScan scan = new HBaseGroupScan();
scan.setRegionsToScan(regionsToScan);
scan.setHBaseScanSpec(new HBaseScanSpec(TABLE_NAME, splits[0], splits[0], null));
scan.applyAssignments(endpoints);
LinkedList<Integer> sizes = Lists.newLinkedList();
sizes.add(1); sizes.add(1); sizes.add(1); sizes.add(1); sizes.add(1); sizes.add(1); sizes.add(1); sizes.add(1);
sizes.add(2); sizes.add(2); sizes.add(2); sizes.add(2); sizes.add(2);