UTS: record issues on the test's own task, not in SDK callbacks

[maratal]

Fixes #2272. Split out of #2268, which is stacked above this.

Preparation for #2275

Why

The integration helpers wrapped an SDK callback in a continuation and recorded the issue inside that callback, which runs on the SDK's callback queue. swift-testing cannot attribute an issue recorded there to the running test, so instead of failing one test it aborts the process:

Fatal error: Issue 'Issue recorded: publish(messages) failed: Error -1001 - The request timed out.'
was recorded at PublishTests.swift:72 without an associated test. This may be due to calling
#expect() or Issue.record() from a detached Task or another unknown context.

The whole platform leg then fails with an empty Failing tests: list. -retry-tests-on-failure cannot help either, because there is no attributed failure to re-run — so a transient sandbox timeout takes out a leg that retry exists to rescue. On the happy path nothing records, which is why this stayed invisible until a request actually failed.

What

Each helper now carries the outcome across the continuation and records after the await. Two shapes, depending on what the callback returns:

• Where the value itself is the verdict (publishError, presenceGetError), resume with just the value and check it afterwards.
• Otherwise resume with a tuple. Only the error's description crosses, since ARTErrorInfo is not Sendable — the same constraint that already made requestToken return tokenDetails?.token rather than the details object. Where the message differs by path (the two do/catch helpers) the whole message crosses instead.

22 sites across six files. Nothing about what is asserted changes, only where the recording happens. There was already a correct precedent in the same file — historyItems(of:) async throws propagates the error out rather than recording inside.

File	Sites
PublishTests.swift	7
PresenceTests.swift	7
HistoryTests.swift	3
ObjectsSyncTests.swift	2
TimeTests.swift	2
ChannelHistoryTests.swift	1

Verification

swift build --build-tests clean, and these suites green against sandbox: TimeTests (5), ChannelHistoryTests (1), ObjectsSyncTests (4), PublishTests (5), HistoryTests (6 in 2 suites). PresenceTests was left to CI, which has since run it green.

A brace-matched scan confirms no continuation closure anywhere in Test/UTS still records an issue or evaluates an expectation.

Confirmed working in CI on the combined branch: the same flakes now appear as Suite HistoryTests failed … with 3 issue(s), attributed and retryable, where before they were fatal errors that killed the process.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Tests
  • Improved asynchronous test handling across realtime, REST, presence, publishing, history, object synchronization, and time-related scenarios.
  • Test failures are now captured consistently and reported after asynchronous operations complete.
  • Preserved existing test results, error messages, and asynchronous acknowledgment behavior.

[coderabbitai]

Walkthrough

The test helpers now return callback errors through checked continuations as strings or tuples. Each helper records Issue after awaiting the continuation. Existing result values and error messages remain unchanged.

Changes

Callback error propagation

Layer / File(s)	Summary
REST history and publish helpers Test/UTS/integration/standard/rest/PublishTests.swift, Test/UTS/integration/standard/rest/HistoryTests.swift	Publish, history, and token helpers return callback results with stringified failures, then record issues after awaiting.
REST presence helpers Test/UTS/integration/standard/rest/PresenceTests.swift	Presence operations return result and failure tuples for callback and thrown-error paths.
Other asynchronous test helpers Test/UTS/integration/standard/objects/ObjectsSyncTests.swift, Test/UTS/integration/standard/realtime/ChannelHistoryTests.swift, Test/UTS/unit/rest/TimeTests.swift	Object, realtime, and time helpers move failure recording outside SDK callbacks while preserving returned values.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Bug fix · Severity of issue fixed: Medium

Merge Risk: 🟡 Moderate · up to 0784d

The time-error test helper can retain the concurrency violation this change is intended to remove. Preserve only Sendable error fields across the continuation before merging.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: recording UTS test issues on the test task instead of SDK callback queues.
Linked Issues check	✅ Passed	The changes satisfy #2272. The six listed UTS test files now resume continuations with callback outcomes and call Issue.record after await. The inspected PublishTests.swift and TimeTests.swift…
Out of Scope Changes check	✅ Passed	The change is limited to the 22 callback sites and six UTS test files listed in #2272. The edits refactor continuation result handling and issue attribution. The summaries report no exported or public…
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 13 functions across 6 files.

✨ Finishing Touches

📝 Generate docstrings

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🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/uts-issue-recording

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[maratal]

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Actionable comments posted: 1

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Inline comments:
In `@Test/UTS/unit/rest/TimeTests.swift`:
- Around line 197-211: The awaitTimeError continuation must not carry
ARTErrorInfo across the Swift 6 concurrency boundary. Change it to return
Sendable error fields, including the values needed for code and statusCode
assertions, then reconstruct or validate the ARTErrorInfo after await; do not
reduce the result to a string alone.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: bb5de54a-e878-4f26-81ae-d4e742ece766

📥 Commits

Reviewing files that changed from the base of the PR and between bc0168a and 0784d95.

📒 Files selected for processing (6)

• Test/UTS/integration/standard/objects/ObjectsSyncTests.swift
• Test/UTS/integration/standard/realtime/ChannelHistoryTests.swift
• Test/UTS/integration/standard/rest/HistoryTests.swift
• Test/UTS/integration/standard/rest/PresenceTests.swift
• Test/UTS/integration/standard/rest/PublishTests.swift
• Test/UTS/unit/rest/TimeTests.swift

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