test: more caplog

[asukaminato0721]

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Summary

#37757

Screenshots

Before	After
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Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran make lint && make type-check (backend) and cd web && pnpm exec vp staged (frontend) to appease the lint gods

[github-actions]

Pyrefly Type Coverage

Metric	Base	PR	Delta
Type coverage	52.38%	52.38%	+0.00%
Strict coverage	51.89%	51.90%	+0.00%
Typed symbols	32,079	32,080	+1
Untyped symbols	29,438	29,437	-1
Modules	2973	2973	0

[github-actions]

Pyrefly Diff

base → PR

--- /tmp/pyrefly_base.txt	2026-07-06 05:06:05.830365293 +0000
+++ /tmp/pyrefly_pr.txt	2026-07-06 05:05:50.783342644 +0000
@@ -6711,7 +6711,7 @@
 ERROR Missing argument `payload` in function `enterprise.telemetry.contracts.TelemetryEnvelope.__init__` [missing-argument]
    --> tests/unit_tests/enterprise/telemetry/test_contracts.py:138:30
 ERROR Class member `Unserializable.__repr__` overrides a member in a parent class but is missing an `@override` decorator [missing-override-decorator]
-   --> tests/unit_tests/enterprise/telemetry/test_enterprise_trace.py:339:17
+   --> tests/unit_tests/enterprise/telemetry/test_enterprise_trace.py:340:17
 ERROR Argument `dict[str, str]` is not assignable to parameter `labels` with type `dict[str, AttributeValue]` in function `enterprise.telemetry.exporter.EnterpriseExporter.increment_counter` [bad-argument-type]
    --> tests/unit_tests/enterprise/telemetry/test_exporter.py:582:71
 ERROR Argument `dict[str, str]` is not assignable to parameter `labels` with type `dict[str, AttributeValue]` in function `enterprise.telemetry.exporter.EnterpriseExporter.record_histogram` [bad-argument-type]