chore: add test cases for zz_generated.deepcopy.go

[Henry-Gao-2004]

What type of PR is this?

What this PR does / why we need it

Which issue(s) this PR fixes

For #194

Special notes for your reviewer

[codecov[bot]]

Codecov Report

Merging #214 (3449c65) into main (ba41b00) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #214   +/-   ##
=======================================
  Coverage   10.45%   10.45%           
=======================================
  Files          27       27           
  Lines        2727     2727           
=======================================
  Hits          285      285           
  Misses       2426     2426           
  Partials       16       16           

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[Abirdcfly]

https://book.kubebuilder.io/cronjob-tutorial/other-api-files.html#zz_generateddeepcopygo

zz_generated.deepcopy.go is autogenerated, no need to add test.