fix staticcheck error

[methane]

Description

remove unnecessary nil check.

Checklist

• Code compiles correctly
• Created tests which fail without the change (if possible)
• All tests passing
• Extended the README / documentation, if necessary
• Added myself / the copyright holder to the AUTHORS file

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 1cd6b059-3a49-4410-a27c-2e7f55f40270

📥 Commits

Reviewing files that changed from the base of the PR and between a0d80bf and 9c254dd.

📒 Files selected for processing (1)

• driver_test.go

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Walkthrough

The TestTLS test function in driver_test.go simplifies cipher value validation by removing an explicit nil-guard check. The validation now relies solely on the length check, as dereferencing a non-nil pointer with an empty slice still returns zero length.

Changes

Cohort / File(s)	Summary
Test Update driver_test.go	Simplified cipher validation logic in TestTLS by removing redundant nil-check in pointer dereference validation.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested reviewers

• shogo82148

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'fix staticcheck error' accurately reflects the main change: removing an unnecessary nil check to resolve a staticcheck linting issue.
Description check	✅ Passed	The description is directly related to the changeset, clearly stating the purpose of removing an unnecessary nil check that was flagged by staticcheck.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

Warning

There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure.

🔧 golangci-lint (2.11.4)

level=error msg="[linters_context] typechecking error: pattern ./...: directory prefix . does not contain main module or its selected dependencies"

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[coveralls]

coverage: 82.409%. first build — methane:fix-staticcheck into go-sql-driver:master