kv/kvserver: TestLoadQPSStats failed

kv/kvserver.TestLoadQPSStats [failed](https://mesolite.cluster.engflow.com/invocations/default/4ee7069a-aa04-4b33-b374-7bfe7de4d6c9?testReportRun=1&testReportShard=16&testReportAttempt=1#targets-Ly9wa2cva3Yva3ZzZXJ2ZXI6a3ZzZXJ2ZXJfdGVzdA==) on master @ [5ad5267944c4bc0604b8eb9d2d95f1589b9a939b](https://github.com/cockroachdb/cockroach/commits/5ad5267944c4bc0604b8eb9d2d95f1589b9a939b):

```
=== RUN TestLoadQPSStats
test_log_scope.go:172: test logs captured to: outputs.zip/logTestLoadQPSStats2139871525
test_log_scope.go:82: use -show-logs to present logs inline
test_server_shim.go:146: using test tenant configuration from testserver factory defaults
test_server_shim.go:637: DRPC is enabled (via testserver factory defaults)
replica_rankings_test.go:420:
Error Trace: pkg/kv/kvserver/replica_rankings_test.go:420
Error: Not equal:
expected: 0
actual : 1
Test: TestLoadQPSStats
panic.go:694: -- test log scope end --
test logs left over in: outputs.zip/logTestLoadQPSStats2139871525
--- FAIL: TestLoadQPSStats (5.02s)
```

Parameters:
- attempt=1
- race=true
- run=1
- shard=16
Help

See also: [How To Investigate a Go Test Failure \(internal\)](https://cockroachlabs.atlassian.net/l/c/HgfXfJgM)

/cc @cockroachlabs/kv-triage

[Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Jira issue: CRDB-67851