Comprehensive Integration Tests for Backend Wallet Endpoints

[Emmzyemms]

Description:
Write integration tests covering wallet creation, transaction proxy, and error scenarios.
Labels: testing, backend

[drips-wave]

Congratulations, @dayo-dev17! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @dayo-dev17: 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 🌊

[drips-wave]

This issue has been marked as completed by a Drips Wave moderator for @dayo-dev17 as part of the Stellar Wave Program's 6th Wave 🥳

Moderator's reason: [Auto-assessed] The contributor successfully implemented the requested integration tests in PR #531, which has been merged by the maintainers. The PR included comprehensive coverage for wallet connections and transaction proxy endpoints, including error cases and rate limiting, directly addressing the issue requirements.

😎 @dayo-dev17: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.

ℹ️ Note: This issue was marked complete via moderation. Points were issued even though the GitHub issue remains open.