koordlet: generate mock states informer

[zwzhang0107]

Ⅰ. Describe what this PR does

set pluginState, pluginOption, pluginName public for mock generation.

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[saintube]

/lgtm

[codecov]

Codecov Report

Patch coverage: 77.77% and no project coverage change.

Comparison is base (8ec0512) 64.91% compared to head (a8e6f78) 64.92%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1257   +/-   ##
=======================================
  Coverage   64.91%   64.92%           
=======================================
  Files         312      312           
  Lines       32660    32660           
=======================================
+ Hits        21201    21203    +2     
+ Misses       9908     9906    -2     
  Partials     1551     1551           

Flag	Coverage Δ
unittests	64.92% <77.77%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/koordlet/statesinformer/states_pods.go	61.65% <0.00%> (ø)
pkg/koordlet/statesinformer/states_pvc.go	6.25% <0.00%> (ø)
pkg/koordlet/statesinformer/states_informer.go	66.66% <100.00%> (ø)
pkg/koordlet/statesinformer/states_node.go	58.41% <100.00%> (ø)
pkg/koordlet/statesinformer/states_nodemetric.go	61.65% <100.00%> (ø)
...dlet/statesinformer/states_noderesourcetopology.go	66.45% <100.00%> (ø)
pkg/koordlet/statesinformer/states_nodeslo.go	88.05% <100.00%> (ø)

... and 1 file with indirect coverage changes

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[jasonliu747]

/lgtm

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jasonliu747

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• hack/OWNERS [jasonliu747]
• pkg/koordlet/OWNERS [jasonliu747]

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