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Nearly none of the tests was checking the value... just assuming WaitLeader success. ``` maintenance_test.go:277: Waiting for leader... logger.go:130: 2022-04-03T08:01:09.914+0200 INFO m0 cluster version differs from storage version. {"member": "m0", "cluster-version": "3.6.0", "storage-version": "3.5.0"} logger.go:130: 2022-04-03T08:01:09.915+0200 WARN m0 leader failed to send out heartbeat on time; took too long, leader is overloaded likely from slow disk {"member": "m0", "to": "2acc3d3b521981", "heartbeat-interval": "10ms", "expected-duration": "20ms", "exceeded-duration": "103.756219ms"} logger.go:130: 2022-04-03T08:01:09.916+0200 INFO m0 updated storage version {"member": "m0", "new-storage-version": "3.6.0"} ... logger.go:130: 2022-04-03T08:01:09.926+0200 INFO grpc [[roundrobin] roundrobinPicker: Build called with info: {map[0xc002630ac0:{{unix:localhost:m0 localhost <nil> 0 <nil>}} 0xc002630af0:{{unix:localhost:m1 localhost <nil> 0 <nil>}} 0xc002630b20:{{unix:localhost:m2 localhost <nil> 0 <nil>}}]}] logger.go:130: 2022-04-03T08:01:09.926+0200 WARN m0 apply request took too long {"member": "m0", "took": "114.661766ms", "expected-duration": "100ms", "prefix": "", "request": "header:<ID:12658633312866157316 > cluster_version_set:<ver:\"3.6.0\" > ", "response": ""} logger.go:130: 2022-04-03T08:01:09.927+0200 INFO m0 cluster version is updated {"member": "m0", "cluster-version": "3.6"} logger.go:130: 2022-04-03T08:01:09.955+0200 INFO m2.raft 9f96af25a04e2ec3 [logterm: 2, index: 8, vote: 9903a56eaf96afac] ignored MsgVote from 2acc3d3b521981 [logterm: 2, index: 8] at term 2: lease is not expired (remaining ticks: 10) {"member": "m2"} logger.go:130: 2022-04-03T08:01:09.955+0200 INFO m0.raft 9903a56eaf96afac [logterm: 2, index: 8, vote: 9903a56eaf96afac] ignored MsgVote from 2acc3d3b521981 [logterm: 2, index: 8] at term 2: lease is not expired (remaining ticks: 5) {"member": "m0"} logger.go:130: 2022-04-03T08:01:09.955+0200 INFO m0.raft 9903a56eaf96afac [term: 2] received a MsgAppResp message with higher term from 2acc3d3b521981 [term: 3] {"member": "m0"} logger.go:130: 2022-04-03T08:01:09.955+0200 INFO m0.raft 9903a56eaf96afac became follower at term 3 {"member": "m0"} logger.go:130: 2022-04-03T08:01:09.955+0200 INFO m0.raft raft.node: 9903a56eaf96afac lost leader 9903a56eaf96afac at term 3 {"member": "m0"} maintenance_test.go:279: Leader established. ``` Tmp