ccl/changefeedccl: TestChangefeedMultiPodTenantPlanning failed

[cockroach-teamcity]

ccl/changefeedccl.TestChangefeedMultiPodTenantPlanning failed with artifacts on release-25.2 @ c93a49bc2530662e673d8c7b2d42d19f2f47081e:

=== RUN   TestChangefeedMultiPodTenantPlanning
    test_log_scope.go:165: test logs captured to: /artifacts/tmp/_tmp/a152b17b8fdc5b459db71a1944ab6ad5/logTestChangefeedMultiPodTenantPlanning146057794
    test_log_scope.go:76: use -show-logs to present logs inline
    helpers_test.go:1119: making pulsar feed factory
    changefeed_test.go:10105: 
        	Error Trace:	pkg/ccl/changefeedccl/changefeed_test.go:10105
        	Error:      	Not equal: 
        	            	expected: 2
        	            	actual  : 1
        	Test:       	TestChangefeedMultiPodTenantPlanning
    panic.go:635: -- test log scope end --
test logs left over in: /artifacts/tmp/_tmp/a152b17b8fdc5b459db71a1944ab6ad5/logTestChangefeedMultiPodTenantPlanning146057794
--- FAIL: TestChangefeedMultiPodTenantPlanning (14.64s)

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

/cc @cockroachdb/cdc

This test on roachdash | Improve this report!

Jira issue: CRDB-50717

[andyyang890]

[team triage meeting] This test appears to create two tenants, but it's not clear why this would somehow guarantee that we would have two aggregators.

Failure line:

cockroach/pkg/ccl/changefeedccl/changefeed_test.go

Line 10105 in c93a49b

require.Equal(t, 2, aggregatorCount)

[KeithCh]

Discussions in Slack:

https://cockroachlabs.slack.com/archives/C02HWA24541/p1747926291637159

https://cockroachlabs.slack.com/archives/C065X5307U3/p1747865139620719

[KeithCh]

Test needs to be made more robust