kv/kvserver: TestPromoteNonVoterInAddVoter failed

[cockroach-teamcity]

kv/kvserver.TestPromoteNonVoterInAddVoter failed on release-25.4.0-rc @ 4f4179243a351bc48c00dd9243dc56b8af98e210:

=== RUN   TestPromoteNonVoterInAddVoter
    test_log_scope.go:171: test logs captured to: outputs.zip/logTestPromoteNonVoterInAddVoter481436359
    test_log_scope.go:82: use -show-logs to present logs inline
    replicate_queue_test.go:2287: condition failed to evaluate within 45s: from replicate_queue_test.go:2291: expected 3 voters; got 7
    exectrace.go:39: execution trace written to /mnt/engflow/worker/work/0/exec/bazel-out/k8-fastbuild/testlogs/pkg/kv/kvserver/kvserver_test/shard_28_of_48_run_9_of_10/test.outputs/logTestPromoteNonVoterInAddVoter481436359/exectrace_goid_68139.bin
    panic.go:635: -- test log scope end --
test logs left over in: outputs.zip/logTestPromoteNonVoterInAddVoter481436359
--- FAIL: TestPromoteNonVoterInAddVoter (76.86s)

Parameters:

• attempt=1
• run=9
• shard=28

Help

See also: How To Investigate a Go Test Failure (internal)

Same failure on other branches

• kv/kvserver: TestPromoteNonVoterInAddVoter failed #156894 kv/kvserver: TestPromoteNonVoterInAddVoter failed [C-test-failure O-robot T-kv branch-release-25.4 release-blocker]

/cc @cockroachdb/kv-triage

This test on roachdash | Improve this report!

Jira issue: CRDB-56242

[pav-kv]

Dup of many previous failures like #156530. Fixed in this branch by #156619, but probably it didn't make it into the -rc branch. Leaving open, and should be closed as soon as -rc is no more.