basalt-26.3.2-rc-20260908: pkg/workload/fixture/fixture_test: TestImportFixtureNodeCount failed

pkg/workload/fixture/fixture_test.TestImportFixtureNodeCount [failed](https://mesolite.cluster.engflow.com/invocations/default/bb2803f0-20da-4132-9bf9-2818a577ee69?testReportRun=3&testReportShard=1&testReportAttempt=1#targets-Ly9wa2cvd29ya2xvYWQvZml4dHVyZTpmaXh0dXJlX3Rlc3Q=) on basalt-26.3.2-rc-20260908 @ [807558e5e81666af257c811e925e4cae570abc28](https://github.com/cockroachdb/cockroach/commits/807558e5e81666af257c811e925e4cae570abc28):

```
=== RUN TestImportFixtureNodeCount
test_log_scope.go:172: test logs captured to: outputs.zip/logTestImportFixtureNodeCount270563186
test_log_scope.go:82: use -show-logs to present logs inline
test_server_shim.go:168: automatically injected an external process virtual cluster under test; see comment at top of test_server_shim.go for details.
```

Parameters:
- attempt=1
- race=true
- run=3
- shard=1
Help

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

/cc @cockroachlabs/test-eng

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*TestImportFixtureNodeCount.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Start with pkg/workload/fixture/fixture_test and the linked test report for TestImportFixtureNodeCount. Reproduce the failure at commit 807558e5e81666af257c811e925e4cae570abc28 using the listed race, run, shard, and attempt parameters, then inspect the captured logs. Done means the test passes reliably without the reported failure.

Written by the indexing model from the issue text.