@Test
public void test() {
RebalanceScheduler mockedScheduler = Mockito.spy(scheduler);
Cluster zzCurrent = ClusterTestUtils.getZZCluster();
adminClient = ServerTestUtils.getAdminClient(zzCurrent);
Map<String, List<Integer>> outerMap = new HashMap<String, List<Integer>>();
List<Integer> someList = Arrays.asList(0, 1, 2);
outerMap.put("storeA", someList);