Add initial owners for testing dir (#5574)
Add initial owners for testing dir (#5574)

Signed-off-by: Kimonas Sotirchos <263e64aa4503abafc748e2b6a1c92acf6fd6c9b7@arrikto.com>
kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow