Consolidate Kubeflow Manifest tests

[hansinikarunarathne]

… made a triiger path

Pull Request Template for Kubeflow manifests Issues

✏️ A brief description of the changes

I changed ...

🐛 If this PR is related to an issue, please put the link to the issue here.

#2797

✅ Contributor checklist

• Make sure you have tested with kustomize. See Installation Prerequisites
• All the commits have been signed-off (To pass the DCO check)
• Submit the Contributor License Agreements (To pass the cla/google check)

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[juliusvonkohout]

Please check all trigger paths in all files whether they are still valid.

[juliusvonkohout]

/lgtm
/approve

Please check all trigger paths in all files whether they are still valid in a follow up PR.

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: juliusvonkohout

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