satisfy vet tooling to avoid noise and missed issues

[maleck13]

What does this PR do?

Quiets down the ouput from the go vet tooling so real issues are clearer to see

Summary by CodeRabbit

• Tests

  • Improved test safety by adding explicit request contexts and preventing execution after fatal assertion failures.
  • Strengthened test handling for nil values and failed key decoding scenarios.

• Chores

  • Added security-scanner annotations for intentionally safe test fixtures, logging, cookie handling, and configuration references.
  • No user-facing runtime behavior changed.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: af032706-77d5-4027-afeb-b3a0954d4b7c

📥 Commits

Reviewing files that changed from the base of the PR and between ad73aed and fb6f58f.

📒 Files selected for processing (14)

• internal/broker/elicitation_handler_test.go
• internal/broker/oauth_protected_resource_handler_test.go
• internal/broker/protocol_filter_test.go
• internal/broker/tokens.go
• internal/broker/tokens_test.go
• internal/config/config_writer_test.go
• internal/config/mcpservers_test.go
• internal/controller/broker_router.go
• internal/controller/deployment_test.go
• internal/controller/keypair_test.go
• internal/session/jwt_test.go
• internal/tests/server2/server2.go
• internal/tests/stateless-server/server.go
• tests/e2e/suite_test.go

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📝 Walkthrough

Walkthrough

The PR updates broker HTTP tests to use explicit contexts, adds early returns after fatal assertions, and adds gosec suppression annotations to existing production and test code.

Changes

Test and lint hygiene

Layer / File(s)	Summary
Context-aware broker requests internal/broker/*_test.go	Broker handler and token tests now create requests with context.Background().
Fatal assertion guards internal/broker/protocol_filter_test.go, internal/controller/*_test.go, internal/session/jwt_test.go	Tests now return after fatal nil or decode assertions and when the protocol tool cache is nil.
gosec annotations internal/broker/tokens.go, internal/config/*_test.go, internal/controller/broker_router.go, internal/controller/deployment_test.go, internal/tests/*, tests/e2e/suite_test.go	The code adds suppressions for accepted cookie, secret, logging, and context-cancellation findings.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• Kuadrant/mcp-gateway#841: Related lint remediation with gosec suppressions and test context updates.
• Kuadrant/mcp-gateway#1225: Related E2E suite setup and teardown changes in the same file.

Suggested labels: review-effort/medium, high-risk

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 10.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the changes that reduce vet tooling noise and prevent missed issues.
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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[david-martin]

CI failing on nolintlint: the //nolint:gosec directives are flagged as unused. Possibly needs a golangci-lint version bump locally to match what CI runs (v2.4.0)?