Add test files for the search message CRUD

[ahaapple]

The file is frontend/lib/store/search.ts

[github-actions]

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[5AIPAVAN]

can i try this @ahaapple

[ahaapple]

@5AIPAVAN Assigned, Thank you

[DDibyajyot]

You could have a look at the jest library @5AIPAVAN, i've already implemented one test using jest so it is set up already.

[Aditya-PS-05]

Can you assign me this issue?

[DDibyajyot]

Do you think I could do this?

[ahaapple]

@DDibyajyot OK，thank you