/kind feature

Why you need this feature:

Sub-issue of kubeflow/kubeflow#6353

To have support for K8s 1.22 we need to ensure all our crud web apps, Jupyter, TensorBoards, Volumes, are using the v1 version of SubjectAccessReviews. https://kubernetes.io/docs/reference/using-api/deprec

I have uploaded the metrics_visualization pipeline in the Kubeflow Console and when I invoke a run I am able to see the visualizations yet they are not seen in the run output

![image](https://user-images.githubusercontent.com/59866888/153585857-cda2921e-48b9-4528-b568-e8866fffb993.

/kind feature

Describe the solution you'd like
[A clear and concise description of what you want to happen.]
Add a sample of MMS using a custom model server similar to sklearn and triton that will reside [in

Currently the only packages containing front-end unit tests are pipeline-editor and services.
It would be helpful to expand the unit test coverage across all other packages in Elyra, as well as add more tests to existing extensions.

This is an umbrella issue - subtasks can be delivered in separate PRs.

Pipeline Editor

• Test Pipeline Service (runtime types, runtimes, runtime images

Summary

What change needs making?
Example script on how to use created secret successfully.
I have tried myself using the following code from test
It creates a secret successfully but fails to echo the secrets value.

Use Cases

When would you use this?
when I n

arena should support clean-task-policy "All" when training via tfjobs.
currently, only supports "Running"(clean RUNNING pod) or None(do nothing).
when job is done, often we need to remove ps, chief, evaluator and worker.