chore: fix some comments to improve readability

[weifanglab]

Overview

fix some comments to improve readability

Summary by CodeRabbit

• Documentation
  • Clarified test comments describing timestamp jitter handling and context propagation checks.
  • No functional behavior or user-visible changes.

[coderabbitai]

📝 Walkthrough

Walkthrough

Updated three test comments to clarify the jitter scheme and context propagation coverage. No test logic, assertions, control flow, or public declarations changed.

Changes

Test comment clarifications

Layer / File(s)	Summary
Clarify test intent pkg/sequencers/single/sequencer_test.go, pkg/store/*_adapter_test.go	Updated comments describing the jitter scheme and context passthrough checks without changing test behavior.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• evstack/ev-node#3377: Also updates inline test comments without changing logic or assertions.

Suggested reviewers: randygrok

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description only repeats a short summary and lacks the requested context, background, goal, and rationale from the template.	Expand the Overview with the change context, why the comments were updated, the intended effect, and link the related issue if one exists.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title matches the changeset: it describes comment-only edits made to improve readability.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@pkg/store/data_store_adapter_test.go`:
- Line 534: Update the expired-context test comments in
pkg/store/data_store_adapter_test.go:534-534 and
pkg/store/header_store_adapter_test.go:532-532 so they do not claim context
propagation is verified unless the tests add a context-aware mock and observable
assertion; otherwise state only that the operation is invoked with an expired
context. Ensure both Append call sites handle errors consistently if assertions
are added.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 80c01e69-ea3e-4fb6-add1-5bc43c6a62a2

📥 Commits

Reviewing files that changed from the base of the PR and between 34b278a and 887e1b4.

📒 Files selected for processing (3)

• pkg/sequencers/single/sequencer_test.go
• pkg/store/data_store_adapter_test.go
• pkg/store/header_store_adapter_test.go