release-26.3: sql/row: TestNextRowPartialColumnFamily failed

sql/row.TestNextRowPartialColumnFamily [failed](https://mesolite.cluster.engflow.com/invocations/default/e7637280-d1fd-4e28-a4c8-163de3d68a3c?testReportRun=2&testReportShard=1&testReportAttempt=1#targets-Ly9wa2cvc3FsL3Jvdzpyb3dfdGVzdA==) on release-26.3 @ [e2da48c156e83f67f91e9c445c8c9b5d90098afc](https://github.com/cockroachdb/cockroach/commits/e2da48c156e83f67f91e9c445c8c9b5d90098afc):

```
=== RUN TestNextRowPartialColumnFamily
test_log_scope.go:172: test logs captured to: outputs.zip/logTestNextRowPartialColumnFamily3135464720
test_log_scope.go:82: use -show-logs to present logs inline
test_server_shim.go:168: automatically injected a shared process virtual cluster under test; see comment at top of test_server_shim.go for details.
```

Parameters:
- attempt=1
- race=true
- run=2
- shard=1
Help

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

Same failure on other branches

- #174461 basalt-26.3: sql/row: TestNextRowPartialColumnFamily failed [C-test-failure O-robot T-sql-queries branch-basalt-26.3 release-blocker]
- #174151 sql/row: TestNextRowPartialColumnFamily failed [C-test-failure O-robot T-sql-queries branch-master release-blocker]
- #173404 sql/row: TestNextRowPartialColumnFamily failed [C-test-failure O-robot T-sql-queries branch-master]

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

Jira issue: CRDB-67947

Start with the sql/row.TestNextRowPartialColumnFamily entry point and inspect the captured logs at outputs.zip/logTestNextRowPartialColumnFamily3135464720, including the test_server_shim.go context. Reproduce the failure with race enabled on release-26.3, compare the related failures in #174461, #174151, and #173404, and consider the issue done when the test passes reliably.

Written by the indexing model from the issue text.