Increase frontend test coverage to 80%+

[manoahLinks]

Description

Current frontend tests cover Header, Footer, Hero, and WalletContext. Expand coverage to all components and pages.

Components needing tests

• AboutSection
• FeaturesSection
• HowItWorksSection
• PartnersSection
• create-event/page.tsx (form validation, submission)
• lib/soroban.ts (contract interaction mocking)

Requirements

• Unit tests for all components
• Form validation tests for event creation
• Mock Freighter API interactions
• Mock Soroban contract calls
• Add coverage reporting to CI

Why

Higher test coverage prevents regressions and gives contributors confidence when making changes.

[bakarezainab]

@bakarezainab has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hi. I am a web3 fullstack developer. Kindly assign this issue to me

ℹ️ Repo Maintainers: To accept this application, review their application or assign @bakarezainab to this issue.

[drips-wave]

Congratulations, @bakarezainab! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @bakarezainab: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊