Error:  Failures: 
Error:    TenantRebalancerTest.testRebalanceBasic:139 » Runtime Error updating ZK for jobId: b5ed3948-19b8-4f5f-a0cb-af361e46051a on starting tenant rebalance
Error:    TenantRebalancerTest.testZkBasedTenantRebalanceObserverCancelJob:1185->ControllerTest.addFakeServerInstanceToAutoJoinHelixCluster:500 » Helix Failed to create live instance because instance: Server_localhost_0 already has a live-instance in cluster: TenantRebalancerTest. Path is: /TenantRebalancerTest/LIVEINSTANCES/Server_localhost_0
Error:    TenantRebalancerTest.testZkBasedTenantRebalanceObserverConcurrentPoll:1467->ControllerTest.addFakeServerInstanceToAutoJoinHelixCluster:500 » Helix Failed to create live instance because instance: Server_localhost_0 already has a live-instance in cluster: TenantRebalancerTest. Path is: /TenantRebalancerTest/LIVEINSTANCES/Server_localhost_0
Error:    TenantRebalancerTest.testZkBasedTenantRebalanceObserverLifecycle:1381->ControllerTest.addFakeServerInstanceToAutoJoinHelixCluster:500 » Helix Failed to create live instance because instance: Server_localhost_0 already has a live-instance in cluster: TenantRebalancerTest. Path is: /TenantRebalancerTest/LIVEINSTANCES/Server_localhost_0
Error:    TenantRebalancerTest.testZkBasedTenantRebalanceObserverOnTableJobDoneAndError:1289->ControllerTest.addFakeServerInstanceToAutoJoinHelixCluster:500 » Helix Failed to create live instance because instance: Server_localhost_0 already has a live-instance in cluster: TenantRebalancerTest. Path is: /TenantRebalancerTest/LIVEINSTANCES/Server_localhost_0
Error:    TenantRebalancerTest.testZkBasedTenantRebalanceObserverPoll:1102->ControllerTest.addFakeServerInstanceToAutoJoinHelixCluster:500 » Helix Failed to create live instance because instance: Server_localhost_0 already has a live-instance in cluster: TenantRebalancerTest. Path is: /TenantRebalancerTest/LIVEINSTANCES/Server_localhost_0