verify-errors: expand isVerifyErrorCode negative cases

[CemAyyildiz]

Goal

Add false-positive guards for isVerifyErrorCode (numbers, arrays, similar strings).

Context

backend/src/utils/__tests__/verify-errors.test.ts.

Acceptance criteria

• At least four new negative cases
• Backend tests pass

Out of scope

• Changing wire-format or enum values

Conflict rule

Only edit verify-errors.test.ts.

[josephinejose-alt]

@josephinejose-alt has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

studied the task at hand and i can say i have a clear understanding
pls assign me so i can begin implementation

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[dedukpe]

@dedukpe has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

please assign

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[cythecode]

@cythecode has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Reviewed the issue in detail and have a strong full-stack background that aligns well with this task. No blockers on my end—I’m ready to jump in and submit a PR shortly. Please assign it to me.

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[Lacastar2000]

@Lacastar2000 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi there, Maintainer. I will like to do this. Please kindly assign. I will deliver immediately.

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[TheShnider]

@TheShnider has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi. I have reviewed this issue and would like to work on it.

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[Gozirimdev]

@Gozirimdev has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi Maintainer, I’ve reviewed this issue and understand what needs to be done. I’m confident I can handle it. Please assign it to me. Thank you!

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[Demilade10]

@Demilade10 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi I can fix this

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[drips-wave]

Congratulations, @dedukpe! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @dedukpe: 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

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