Fix image push tests permissions in CI

[Siddhant-K-code]

Implemented a mock-based testing approach that validates push functionality without requiring external registry permissions.

fixes #56

[adityaramani]

Thanks for the PR! Will take a deeper look and get back!

In the meantime could you please set up commit signing and re push your commits?

[Siddhant-K-code]

Thanks, I've signed the commit 825f0ad

[Siddhant-K-code]

👋🏻 @adityaramani, any progress on this?

[dcantah]

Hi @Siddhant-K-code, please run make fmt and then re-push with the changes. CI is just whining on that

[adityaramani]

Sorry for the long delay.

I like the update to the ImageStoreTests, but Im not sure about the RegistryClientTests

Do you want to back that out from the PR and we can re-think if there is a better way to do it?

[adityaramani]

Thanks! Looks good! Just two small comments

[adityaramani]

Looks like you need to run make fmt and re-push. Could you also remove the other changes from the RegistryClientTests file?