Cleanup duplicate code in curated packages and rename function

[sp1999]

Description of changes:
This PR cleans up the same function used for different packages in e2e tests and renames it for better clarity.

Testing (if applicable):
make eks-a, make lint, make unit-test, make e2e-cross-platform

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.38%. Comparing base (5940b0e) to head (3111d62).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8258   +/-   ##
=======================================
  Coverage   73.37%   73.38%           
=======================================
  Files         578      578           
  Lines       35995    35995           
=======================================
+ Hits        26413    26415    +2     
+ Misses       7907     7906    -1     
+ Partials     1675     1674    -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[sp1999]

/approve

[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sp1999

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [sp1999]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[rahulbabu95]

/lgtm

[sp1999]

/cherry-pick release-0.19

[eks-distro-pr-bot]

@sp1999: new pull request created: #8305

In response to this:

/cherry-pick release-0.19

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.