server: TestStartManyStores failed

server.TestStartManyStores [failed](https://mesolite.cluster.engflow.com/invocations/default/9953c9a5-1ced-4e3c-b915-3163a9c85ac9?testReportRun=1&testReportShard=10&testReportAttempt=1#targets-Ly9wa2cvc2VydmVyOnNlcnZlcl90ZXN0) on release-25.4 @ [f56742d78dfb87156194ee38c1136e365b270aa4](https://github.com/cockroachdb/cockroach/commits/f56742d78dfb87156194ee38c1136e365b270aa4):

```
=== RUN TestStartManyStores
test_log_scope.go:171: test logs captured to: outputs.zip/logTestStartManyStores2644660639
test_log_scope.go:82: use -show-logs to present logs inline
test_server_shim.go:141: cluster virtualization disabled in global scope due to issue: #76378 (expected label: C-bug)
test_server_shim.go:308: deadline below read timestamp is nonsensical; txn has would have no chance to commit. Deadline: 1768421085.044183396,0. Read timestamp: 1768421092.023553952,2 Previous Deadline: 0,0.
panic.go:635: -- test log scope end --
test logs left over in: outputs.zip/logTestStartManyStores2644660639
--- FAIL: TestStartManyStores (126.63s)
```

Parameters:
- attempt=1
- run=1
- shard=10
Help

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

/cc @cockroachdb/kv-triage

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Jira issue: CRDB-58698