Fix Flacky Tests

[ns-vasilev]

This issue is meant to be a good first issue to get into coding, and into open source contribution over all, as it will require to touch few existing files, is a small change and is documented extensively. If you are new to coding, I encourage you to try this issue.

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Feature description
Fix the integration test test_thatFlarePurchasesAProductWithCompletion_whenUnkownErrorOccurred so it doesn't flake and the job doesn't fail in GitHub Actions.

[M7md-Ebrahim]

Excited to fix this integration test! Can you assign it to me?

[ns-vasilev]

@M7md-Ebrahim, sure

[ns-vasilev]

@M7md-Ebrahim how's it going? Do you want to continue on this?

[M7md-Ebrahim]

Yes, I’m a bit busy, and I’m not very good at testing. If you don’t mind, I’ll give it another try.

[mcrkgus]

I’d like to tackle with this issue. is there a dead line? or is this issue already resolved?

[ns-vasilev]

@mcrkgus, hi! This issue has not been resolved yet, and there is no deadline. Of course, you can tackle it if you wish.