OSD-29549 : Added unit test case for infra_node and controlplane_node under resize pkg

[amitupadh]

This PR enhances test coverage and improves maintainability by adding unit test cases for the the resize package with dependency injection for better testability.

Coverage Details: Increased unit test coverage for resize package

Verification: All tests pass successfully, ensuring correctness and improved test coverage.

JIRA Ticket:

OSD-29549

[openshift-ci[bot]]

Skipping CI for Draft Pull Request. If you want CI signal for your change, please convert it to an actual PR. You can still manually trigger a test run with /test all

[amitupadh]

/test all

[amitupadh]

/test test

[amitupadh]

/test format

[amitupadh]

/test lint

[amitupadh]

/retest

[devppratik]

/lgtm /approve

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: amitupadh, devppratik

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