test: replace single-character regex alternation with character class

[anukalp2804]

Proposed change

Fixes #3336

This PR updates a test regular expression by replacing a single-character alternation with a character class, addressing a SonarCloud code quality warning.

No functional behavior is changed.

Checklist

• Required: I followed the contributing workflow
• Required: I verified that my code works as intended and resolves the issue as described
• Required: I ran make check-test locally: all warnings addressed, tests passed
• I used AI for code, documentation, tests, or communication related to this PR

[coderabbitai]

Walkthrough

A regex pattern in the Pagination test was refactored to simplify single-character alternation. The pattern /^(Go to page (1|2))$/ was changed to /^(Go to page [12])$/ to resolve a SonarCloud code quality issue. The behavior remains unchanged.

Changes

Cohort / File(s)	Summary
Test regex simplification frontend/__tests__/unit/components/Pagination.test.tsx	Simplified regex pattern for button label matching from alternation group (1|2) to character class [12] in page navigation test

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• feat(Pagination): accessibility tweaks & add unit tests #1903: Modifies the same Pagination.test.tsx file that was originally added/expanded in this prior PR

Suggested labels

frontend-tests

Suggested reviewers

• arkid15r
• kasya

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: simplifying a regex pattern from single-character alternation to a character class in a test file.
Linked Issues check	✅ Passed	The pull request successfully addresses issue #3336 by replacing the single-character alternation (1|2) with a character class [12] in the regex pattern as required.
Out of Scope Changes check	✅ Passed	The changes are narrowly scoped to a single regex pattern update in one test file, staying within the bounds of the linked issue's requirements.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description check	✅ Passed	The pull request description accurately describes the changeset: replacing a single-character regex alternation with a character class to address a SonarCloud warning, with no functional changes.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[anukalp2804]

@arkid15r
I’ve opened this PR to address the assigned issue. Please let me know if any changes are needed. Thanks!