Add test coverage for agentpooladopt controller

[troy0820]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:
Adds testing to the controllers package

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #
Part of #3649
Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

None

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.93%. Comparing base (eb42392) to head (b3873a8).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5535      +/-   ##
==========================================
+ Coverage   52.60%   52.93%   +0.32%     
==========================================
  Files         272      272              
  Lines       29485    29485              
==========================================
+ Hits        15511    15607      +96     
+ Misses      13167    13061     -106     
- Partials      807      817      +10     

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[troy0820]

/hold

[troy0820]

/hold cancel

The test would stop early in the Reconcile method because it had OwnerReferences on it. Now it creates the machinePool resource and gets validated through the test.

[nawazkh]

/lgtm
/approve

Hi @troy0820 ! Thank you for adding this. Great start to add more cases.
Are you planning to add more test cases ?

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: bd18247c35d2790ed7415a6c26d0d823abe962df

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nawazkh

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• OWNERS [nawazkh]

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[troy0820]

/lgtm /approve

Hi @troy0820 ! Thank you for adding this. Great start to add more cases. Are you planning to add more test cases ?

Yeah I fell behind but I plan on it.