HOSTEDCP-2040: Add TestCreateClusterCustomConfigV2

[muraee]

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Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story:
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• Relevant issues have been referenced.
• This change includes docs.
• This change includes unit tests.

[openshift-ci-robot]

@muraee: This pull request references HOSTEDCP-2040 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.19.0" version, but no target version was set.

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What this PR does / why we need it:

Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story:
Fixes #

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.
• This change includes docs.
• This change includes unit tests.

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: muraee

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[muraee]

/retest-required

[muraee]

/retest-required

[openshift-ci]

@muraee: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-aws-4-18	5eb45d1	link	true	/test e2e-aws-4-18
ci/prow/e2e-aws	5eb45d1	link	true	/test e2e-aws

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