:four_leaf_clover: `Proposal`: Add Some UT(s) for `k8s Backend`

[daniel-hutao]

What Would You Like to Add? Why Is This Needed?

Add some ut(s) for k8s Backend (internal/pkg/backend/k8s/).

Design

No design here. You can never have too many unit tests, you're free to play here!

Anything else

[JoshuaPoddoku]

@daniel-hutao can we please add "hacktoberfest" tag for all GFIs?

[daniel-hutao]

@daniel-hutao can we please add "hacktoberfest" tag for all GFIs?

I'll add the label immediately.

[algobot76]

@daniel-hutao Please assign this issue to me. I'm interested in writing more uni tests for k8s.

[Shuimo03]

@daniel-hutao Is it possible for multiple people to submit test cases for this issue?

[jatinagwal]

@daniel-hutao Can i work on this issue??